计算机专业英语简答题
计算机专业英语_考试题目
----------------------------精品word 文档 值得下载 值得拥有---------------------------------------------- 一、词汇(一)Translate the following words or expressions into Chinese.1.Central Processing Unit 中央处理单元2.relational database 关系数据库 3.software crisis 软件危机 4.feasibility analysis 可行性分析5.electronic commerce 电子商务6.reference element 参考元素9.object-oriented language 面向对象的语言13.assembly language 汇编语言14.standardize 使标准化17.embedded system 嵌入式系统----------------------------精品word 文档 值得下载 值得拥有----------------------------------------------20.gray scale 灰度 (二) Fill in the blanks with the corresponding English abbreviations. (根据汉语写出相应的英语缩写。
)1.随机存储器 RAM2.广域网 WAN3.超文本标记语言 HTML4.文件传输协议 FTP5.液晶显示器 LCD6.结构化查询语言SQL7.磁盘操作系统 DOS8.电子公告板系统 BBS(三) Translate the following English abbreviations into Chinese. (根据英语缩写写出相应的中文意思。
)1.USB 通用串行总线 3.AI 人工智能4.HDD 硬盘驱动器5.DNS 域名服务器6.IE 网页浏览器8.PPP 点对点通信协议 9.SMTP 简单邮件传输协议10.WWW 万维网二、 匹配1、portability J A 、半兼容的2、ROM D B 、客户服务器模式3、carrier signal G C 、数据库管理信息系统4、protocol F D 、只读存储器5、CSS H E 、综合业务数字网6、proxy server N F 、协议7、computer aided design S G 、载波信号8、semi-compatible A H 、层次式样表9、SCSI O I、性能影响10、URL(uniform resource locator) M J、可移植性11、performance hit I K、超文本传输协议12、CP/M R L、局域网13、ISP T M、统一资源定位器14、CLI(Command Language Interpreter)Q N、代理服务器15、hypertext document P O、小型计算机系统接口16、LAN L P、超文本文档17、database management system C Q、命令语言解释程序18、HTTP K R、微机控制程序19、ISDN E S、计算机辅助设计20、client server B T、网络服务提供者三、英文解释(此题仅供参考)In this section, there are 15 sentences which are the English words explanation. You are required to read it carefully, then choose the proper word corresponding with the explanation。
计算机英语考试题目及答案
计算机英语考试题目及答案一、选择题1. What does HTML stand for?a) Hyper Text Markup Languageb) High Technology Multimedia Languagec) Home Tool Management Languaged) Human Token Marker Language答案:a) Hyper Text Markup Language2. Which of the following is not a programming language?a) Javab) Pythonc) HTMLd) C++答案:c) HTML3. What is the purpose of CSS?a) To add interactivity to web pagesb) To structure the content of web pagesc) To define the layout and style of web pagesd) To create dynamic web pages答案:c) To define the layout and style of web pages4. What is the function of a router in a computer network?a) To connect computers to the internetb) To store and manage data on a networkc) To protect the network from security threatsd) To direct network traffic between devices答案:d) To direct network traffic between devices5. Which of the following is a commonly used database management system?a) Microsoft Wordb) Adobe Photoshopc) MySQLd) Windows Media Player答案:c) MySQL二、填空题1. The process of converting source code into machine code is called ________.答案:compilation2. The most widely used programming language for web development is ________.答案:JavaScript3. TCP/IP stands for ________.答案:Transmission Control Protocol/Internet Protocol4. The physical components of a computer are referred to as ________.答案:hardware5. SQL stands for ________.答案:Structured Query Language三、简答题1. What are the advantages of using cloud computing?答案:Cloud computing offers several advantages, including:- Cost savings: Companies can reduce their infrastructure costs by using cloud services instead of maintaining their own hardware.- Scalability: Cloud services can easily scale up or down based on demand, allowing businesses to only pay for what they need.- Flexibility: Users can access cloud services from anywhere with an internet connection, enabling remote work and collaboration.- Disaster recovery: Cloud providers often have backup systems in place, ensuring data can be recovered in case of a disaster.- Automatic updates: Cloud services are typically updated regularly by the provider, ensuring users have access to the latest features and security patches.2. Explain the difference between HTTP and HTTPS.答案:HTTP (Hypertext Transfer Protocol) is a protocol used for transmitting data over the internet. It is not secure, meaning that the data being transmitted can be intercepted and read by anyone. HTTPS (Hypertext Transfer Protocol Secure), on the other hand, is a secure version of HTTP. It uses encryption to ensure that data is encrypted before transmission, making it much more difficult for hackers to intercept and read. HTTPS is commonly used for secure online transactions, such as submitting credit card information or personal details.四、编程题请编写一个Python程序,实现计算圆的面积和周长的功能。
计算机英语试题3及答案
计算机英语试题3及答案一、选择题(每题2分,共20分)1. Which of the following is not a type of computer virus?A. TrojanB. WormC. Antivirus softwareD. Virus2. What does the acronym "CPU" stand for?A. Central Processing UnitB. Central Processing UnitC. Central Processing UnitD. Central Processing Unit3. In computer terminology, what does "RAM" refer to?A. Random Access MemoryB. Random Access MemoryC. Random Access MemoryD. Random Access Memory4. What is the primary function of a router?A. To store dataB. To transmit dataC. To receive dataD. To process data5. What is the term used to describe the process of converting data into a format that can be transmitted over anetwork?A. EncryptionB. CompressionC. DecompressionD. Encoding6. Which of the following is not a type of software?A. Operating systemB. Application softwareC. Utility softwareD. Hardware7. What does the acronym "GUI" stand for in the context of computer interfaces?A. Graphical User InterfaceB. Graphical User InterfaceC. Graphical User InterfaceD. Graphical User Interface8. What is the term for a computer program that is designed to perform a specific task?A. ApplicationB. ApplicationC. ApplicationD. Application9. What is the term used to describe a computer network that spans a relatively small area?A. LANB. LANC. LAND. LAN10. What does the acronym "USB" stand for?A. Universal Serial BusB. Universal Serial BusC. Universal Serial BusD. Universal Serial Bus二、填空题(每题2分,共20分)1. A computer virus is a type of malicious software that can replicate itself and spread to other computers without the user's permission.2. The central processing unit (CPU) is the primary component of a computer that performs most of the processing inside the computer.3. Random Access Memory (RAM) is a type of computer memory that can be read and changed freely and quickly.4. A router is a networking device that forwards data packets between computer networks.5. Encoding is the process of converting data into a format that can be transmitted over a network.6. Software is a collection of data or computer instructions that tell the hardware what to do and how to do it.7. A Graphical User Interface (GUI) is a type of interface that allows users to interact with electronic devices through graphical icons and visual indicators.8. An application is a computer program designed to help the user to perform specific tasks, such as word processing or web browsing.9. A Local Area Network (LAN) is a computer network that interconnects computers in a localized area.10. Universal Serial Bus (USB) is an industry standard developed in the 1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices.三、简答题(每题10分,共40分)1. Explain the difference between a computer virus and a computer worm.A computer virus requires a host program to replicate itself, whereas a computer worm can replicate and spread independently without needing a host program.2. Describe the role of a firewall in computer security.A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and untrusted external networks, such as the Internet.3. What are the benefits of using a cloud-based service? Cloud-based services offer benefits such as scalability, accessibility, cost-effectiveness, and the ability to store and process large amounts of data in a remote location.4. Discuss the importance of data backup and recovery in a computer system.Data backup and recovery are crucial for protecting against data loss due to hardware failure, software bugs, data corruption, or cyber-attacks. Regular backups ensure that data can be restored in the event of a system failure,minimizing downtime and potential financial loss.四、论述题(20分)Discuss the impact of the Internet of Things (IoT) on society and the economy.The Internet of Things (IoT) has had a profound impact on society and the economy by enabling the interconnection of everyday objects, allowing them to send and receive data. This has led to increased efficiency in various industries, improved quality of life through smart home technologies, and the creation of new business models and markets. However, it also raises concerns about data privacy and security, as well as the potential for increased surveillance and control.。
计算机英语试题及答案
计算机英语试题及答案一、选择题(每题2分,共20分)1. What does the term "CPU" stand for?A. Central Processing UnitB. Central Power UnitC. Customer Personal UnitD. Control Power Unit答案:A2. The term "RAM" refers to:A. Random Access MethodB. Random Access MemoryC. Remote Access ModuleD. Real-time Application Module答案:B3. Which of the following is a type of computer virus?A. TrojanB. TractorC. TrackerD. Tracker答案:A4. The acronym "GUI" stands for:A. Graphical User InterfaceB. General User InterfaceC. Graphical Unified InterfaceD. Global User Interface答案:A5. What is the purpose of an "API" in computer programming?A. Application Programming InterfaceB. Advanced Programming InterfaceC. Automated Programming InterfaceD. Advanced Programming Indicator答案:A6. The term "LAN" is short for:A. Local Area NetworkB. Long Area NetworkC. Limited Area NetworkD. Large Area Network答案:A7. Which of the following is a common file extension for a text document?A. .txtB. .jpgC. .exeD. .mp3答案:A8. The process of finding and removing errors in a computer program is called:A. DebuggingB. BuggingC. LoggingD. Tagging答案:A9. What does "FTP" stand for?A. File Transfer ProtocolB. Fast Transfer ProtocolC. Full-Time ProtocolD. Future Technology Protocol答案:A10. The term "URL" stands for:A. Uniform Resource LocatorB. Unique Resource LocatorC. Universal Resource LocatorD. User Resource Locator答案:A二、填空题(每空1分,共10分)11. The basic unit of data in a computer is the _______.答案:bit12. A computer's _______ is the primary component that controls and processes data.答案:CPU13. The _______ is a type of software that protects a computer from malicious software.答案:antivirus14. A _______ is a location on a network where files can be stored and accessed.答案:server15. The process of converting data into a code to protect its confidentiality is known as _______.答案:encryption16. A _______ is a set of data that describes the characteristics of a file or set of files.答案:metadata17. The _______ is the process of recovering data after a system failure.答案:backup18. The term _______ refers to the use of a computer to create visual content, such as images and videos.答案:graphics19. A _______ is a program that controls the way a computer system operates.答案:operating system20. The _______ is the process of connecting two or morenetworks to enable communication between them.答案:networking三、简答题(每题5分,共20分)21. Explain the difference between a "bit" and a "byte".答案:A bit is the smallest unit of data in computing, representing a single binary digit (0 or 1). A byte is a group of eight bits, which is used to represent a character or a string of data.22. What is the role of a "firewall" in a computer system?答案:A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and untrusted external networks, such as the Internet.23. Describe the purpose of a "router" in a computer network.答案:A router is a networking device that forwards data packets between computer networks. It uses routing tables to determine the best path for data to travel, allowing multiple devices to communicate with each other across different networks.24. What is "cloud computing" and how does it benefit users?答案:Cloud computing is the delivery of computing services, including storage, processing power, and software, over the internet. It benefits users by providing scalable resources, reducing the need for on-premises infrastructure, and allowing for remote access to applications and data.四、翻译题(每题5分,共20分)25. Translate the following sentence into English: "操作系统是管理计算机硬件和软件资源的程序。
计算机专业英语试题及答案
计算机专业英语试题Ⅰ. Vocabulary(词汇)(30分)(一).Translate the following words and expressions into Chinese(写出下列词组的汉语。
)(共10分,每题1分)1. operating system2.requirements analysis3. network security4. data structure5.decision support system6.relational database7.software crisis8. computer virus9.email attachment10.central processing unit ( CPU )(二).Fill in the blanks with the corresponding English abbreviations.(根据汉语写出相应的英语缩写。
) (共10分,每题1分)1.数据库管理系统 2.传输控制协议3.多文档界面 4.面向对象编程5.只读存储器 6.数字视频光盘7.计算机辅助设计 8.结构化查询语言9.通用串行总线 10.企业之间的电子商务交易方式(三)Match the following words and expressions in the left column with those similar in meaning in the right column.(将左列的词汇与右列相应的汉语匹配。
)(10分,每空1分)1. multimedia a. 字处理器2. software life cycle b. 交换机3. structured programming c. 多媒体4. functional testing d. 局域网5. word processor e. 结构化程序设计6. code windows f. 软件生命周期7. firewall g. 功能测试8. LAN h. 代码窗口9. hackeri. 黑客 10. switchj. 防火墙1. 6.2. 7.3. 8.4. 9.5. 10.Ⅱ. Comprehension(阅读理解)(一)Fill in the blanks with suitable words or expressions from the list given below, andchange the form where necessary. (从下面方框中选择合适的词或表达,以其适当的形式填空。
计算机专业英语教程 第四版 部分翻译和简答题
翻译:1、C++’s advantages include strong typing, operator overloading, and less emphasis on the preprocessor.C++的优点包括强类型,运算符重载和较少地强调预处理器。
2、A program instruction or a piece of data is stored in a specific primary storage location called an address.程序指令和数据是存储在主存中一个特殊的位置,称为地址空间3、A high-level language is an artificial language with which we can write various instructions. This is possible not because computer processors are now so technologically advanced that they can ‘understand’ these langu ages. You should translate from programming languages into machine language which can be understood by the computer processors. Compilers can accomplish this task. This does mean that a high-level language program is not directly executable: it must be compiled to produce processor program, which is executable.高级语言是一门人工的我们可以写入各种各样指令的语言。
计算机英语考试题含答案
er System Bus
er Storage Bus
D.Universal Storage Bus
答案:A
3.What is the primary function of a router in a computer network?
A.To store data
A.To prevent unauthorized access
B.To speed up internet connections
C.To store data
D.To print documents
答案:A
9.What does"GUI"stand for in the context of computer systems?
答案:D
5.What does"RAM"stand for in computer terminology?
A.Random Access Method
B.Random Access Memory
C.Remote Access Memory
D.Rapid Access Memory
答案:B
6.What is the term for a collection of data stored on a computer?
A.Application
B.Software
C.Utility
D.Script
答案:D
二、填空题(每题
1.The basic unit of data in a computer is called a____________.
答案:bit
计算机专业英语考试试题及答案
计算机专业英语考试试题及答案一、选择题1. Which of the following is NOT a programming language?A. JavaB. PythonC. HTMLD. CSS2. What does the acronym "SQL" stand for?A. Structured Query LanguageB. Simple Query LanguageC. Script Query LanguageD. Secure Query Language3. Which protocol is commonly used for sending and receiving emails?A. FTPB. HTTPC. SMTPD. TCP4. What does the term "CPU" refer to?A. Central Processing UnitB. Computer Processing UnitC. Central Program UnitD. Computer Program Unit5. Which of the following is NOT a type of network topology?A. StarB. RingC. MeshD. Scroll二、填空题1. HTML stands for Hypertext Markup Language, which is used for ____________.2. The process of converting source code into machine code is called ____________.3. IP address stands for ____________.4. The act of copying files from a remote server to a local computer is known as ____________.5. The programming language developed by Apple Inc. for iOS and macOS is ____________.三、简答题1. What is the difference between a compiler and an interpreter? Provide examples of programming languages that use each of these methods.2. Explain the concept of object-oriented programming (OOP) and provide an example of a programming language that utilizes this paradigm.3. Describe the client-server model and provide an example of a commonly used protocol within this model.四、论述题Discuss the impact of artificial intelligence (AI) on various industries. Provide examples of how AI is being used in fields such as healthcare, finance, and transportation. Analyze the potential benefits and challenges of implementing AI in these industries.答案:一、选择题1. C. HTML2. A. Structured Query Language3. C. SMTP4. A. Central Processing Unit5. D. Scroll二、填空题1. creating and structuring the content of a webpage2. compilation3. Internet Protocol4. downloading5. Swift三、简答题1. A compiler translates the entire source code into machine code before the program is executed. Examples of languages that use compilers are C, C++, and Java. On the other hand, an interpreter translates and executes the source code line by line. Python and Ruby are examples of languages that use interpreters.2. Object-oriented programming (OOP) is a programming paradigm that organizes data and functions into reusable objects. It focuses on the concept of classes and objects, allowing for code reuse and encapsulation. An example of a programming language that uses OOP is Java, where objects are instances of classes and can interact with each other through methods and attributes.3. The client-server model is a distributed computing architecture wherea server provides services or resources to multiple clients. The clients request and receive these resources through the network. An example of a commonly used protocol within this model is the Hypertext Transfer Protocol (HTTP), which is used for communication between web browsers (clients) and web servers.四、论述题Artificial intelligence (AI) has had a significant impact on various industries. In healthcare, AI is being used for diagnoses and treatments, analyzing medical images, and personalized medicine. For example, AI-powered algorithms can help detect diseases like cancer at an early stage, leading to better treatment outcomes. In finance, AI is utilized for fraud detection, algorithmic trading, and customer service. AI algorithms can analyze large amounts of financial data to identify patterns and make accurate predictions. In transportation, AI is being employed for autonomous vehicles, traffic management, and logistics optimization. Self-driving cars, for instance, use AI algorithms to navigate and make decisions on the road.The implementation of AI in these industries brings about many benefits, such as increased efficiency, improved accuracy, and cost savings. AI systems can process and analyze vast amounts of data much faster than humans, leading to faster and more accurate results. However, there are also challenges to consider. Privacy and security concerns arise as AI systems handle sensitive information. There is also the worry of job displacement, as AI automation may replace certain human tasks. Additionally, ethical considerations need to be addressed, such as bias in algorithms and the potential for AI to be used for malicious purposes.Overall, the impact of AI on various industries is undeniable. It has the potential to revolutionize healthcare, finance, transportation, and many other sectors. However, careful implementation and regulation are necessary to ensure its responsible and beneficial use.。
计算机英语考试问答题
计算机英语考试问答题1. What is an operating system?An operating system is a software that manages computer hardware and software resources and provides common services for computer programs. It acts as an intermediary between the user and the computer hardware, allowing the user to interact with the computer and run applications.2. What are the main functions of an operating system?- Process management: The operating system manages the execution of programs and handles processes, ensuring fairness and efficient allocation of CPU time.- Memory management: It allocates and manages computer memory, including virtual memory, to optimize the use of available resources.- File system management: The operating system organizes and manages computer files, including storage, retrieval, and file access control.- Device management: It controls and coordinates the use of computer hardware devices, such as printers, scanners, and storage devices.- User interface: The operating system provides a user-friendly interface for users to interact with the computer, including command-line interface or graphical interface.3. What is a compiler?A compiler is a software program that translates high-level programming language code into machine code that can be understood and executed by acomputer. It analyzes the entire code and converts it into an executable form, thereby enabling the program to be run on a specific computer architecture.4. What is an algorithm?An algorithm is a set of well-defined instructions or rules that describe a step-by-step procedure to solve a particular problem or perform a specific task. It serves as the blueprint for writing computer programs and ensures that the desired outcome is achieved by providing a systematic approach to problem-solving.5. What is object-oriented programming (OOP)?Object-oriented programming is a programming paradigm that focuses on creating objects, which are instances of classes, to represent real-world concepts or entities. It emphasizes the concept of encapsulation, inheritance, and polymorphism, allowing for modular and reusable code development.6. What is a network protocol?A network protocol is a set of rules and conventions that govern the communications between devices within a network. It defines how data is transmitted, formatted, and interpreted, ensuring that devices can communicate effectively with each other. Examples of network protocols include TCP/IP, HTTP, and FTP.7. What is a database management system (DBMS)?A database management system is a software that allows users to create, manipulate, and manage databases. It provides an interface for users to interact with the database, perform queries, retrieve and modify data, andensure data integrity and security. Examples of popular DBMS include MySQL, Oracle, and Microsoft SQL Server.8. What is cloud computing?Cloud computing refers to the delivery of computing services, including storage, processing power, and applications, over the internet. It allows users to access and utilize resources on-demand, without the need for local infrastructure or physical hardware, resulting in increased flexibility, scalability, and cost-effectiveness.9. What are the main components of a computer system?- Central Processing Unit (CPU): It is the main component responsible for executing instructions and performing calculations.- Memory: It stores data and instructions that the CPU can access quickly.- Storage devices: Hard drives, solid-state drives, and other storage devices hold long-term data.- Input devices: Keyboard, mouse, and other devices allow users to input data.- Output devices: Monitors, printers, and speakers present the processed data to users.- Motherboard: It connects and allows communication between different hardware components.- Operating System: It manages and controls the computer’s resources and provides a user interface.10. What is cybersecurity?Cybersecurity refers to the practice of protecting computers, servers, networks, and data from unauthorized access, theft, damage, or disruption. It involves implementing measures such as firewalls, encryption, antivirus software, and user authentication to ensure the confidentiality, integrity, and availability of information in the digital realm.In conclusion, the computer English exam may include various types of questions to test the understanding of operating systems, programming concepts, networking, databases, and other fundamental aspects of computer science. It is important to have a strong grasp of these topics to excel in the field of computer technology.。
计算机专业英语 考试
一、选择题1.What is the process of converting a high-level programming language into machine languagecalled?A.Debuggingpilation(正确答案)C.ExecutionD.Interpretation2.Which of the following is a programming paradigm that organizes software design around data,and the operations performed on that data?A.Object-oriented programming(正确答案)B.Procedural programmingC.Functional programmingD.Event-driven programming3.In computer networks, what does the term "protocol" refer to?A. A set of rules governing the exchange of information between devices(正确答案)B.The physical connection between devicesC.The speed of data transmissionD.The type of data being transmitted4.What is the term used to describe the process of dividing a complex problem into smaller, moremanageable parts?A.Modularization(正确答案)B.OptimizationC.EncapsulationD.Polymorphism5.In computer security, what is the term for unauthorized access to or modification of data?A.EncryptionB.DecryptionC.Hacking(正确答案)D.Firewall6.Which of the following is a type of software that allows two or more computers tocommunicate and share resources?A.Operating systemB.Database management systemwork operating system(正确答案)D.Word processing software7.What is the term used to describe the process of identifying and correcting errors in computerprograms?A.Debugging(正确答案)B.TestingC.Codingpilation8.In computer graphics, what is the term for the number of distinct pixels that can be displayedon a screen?A.Resolution(正确答案)B.Color depthC.Refresh rateD.Aspect ratio。
计算机专业英语
一、英翻汉,汉翻英(20题*1分)data processing system 数据处理系统Integrated Circuit 集成电路Central Processing unit 中央处理器decimal digit 十进制Random Access Memory 随机访问存储器machine language机器语言system clock 系统时钟word size 字长DataBus 数据总线Address Bus 地址总线control circuit 控制电路input and output device 输入和输出设备Universal Serial Bus 通用串行总线assembly language 汇编语言high-level language 高级语言derived classes 派生类late binding 迟绑定virtual function 虚函数real-time operating system 实时操作系统command language 命令语言primary storage 主存储器secondary storage 辅助存储器data structure 数据序data abstraction数据抽象procedural abstracting过程抽象dynamic memory allocation 动态存储分配first come and first served 先来先服务first in and out 先进先出database model 数据库模型physical level 物理层user program 用户层entity-relationship model实体—关系模型one –pass compiler 一遍编译器external call 外部调用parallelizing compiler 并行编译器cross compiler 交叉编译器intermediate code 中间代码一、选择题(10题*2分)1、计算机中最重要的程序OS2、处理器包含寄存器(register)累加器(accumulator)两个功能部件3、在控制输入输出操作计算机有完整的操作指令(operating instructions/ operational command)4、高级语言低级语言判断二、选词填空(10题*2分)课本第二题Uint1(1)The digital computer is a digital system perform various computation (估计,计算)tasks.(2)Integrated circuit did for the third-generation what transistors did for thesecond generation.(3)One of the most significant contributes to the emergence of the fourth generation of computers is the microprocessor.(未处理器)(4)Mainframe computer is a powerful multi-user computer.(5)Supercomputer is an extremely fast computer that can perform hundreds of millions of instructions per second.(6)Desktop computers are modular systems that make it easy to add or replace individual parts to meet each user’s particular requirements.(7)When you need change ,it is easy to open up a desktop case and reconfigure the system.(8)The CPU mounts in a special socket that uses a latching mechanism to hole itin place.Uint2(1)A processor is a function unit that interprets and carries out instructions. (2)Thirty-two-bit chips are often constrained to a maximum of 2GB or 4GB of RAM access.(3)Processing more data in each cycle contributes to increased performance . (性能)(4)The cache ensures that data is immediately available whenever the CPU requests it.(5)One reason why the word needs 64-bit processors is because of their enlarged address spaces.(6)In an SSID (服务集标示符)architecture there is a single instruction cycle. (7)Multiprocessing refers to the organization technique in which a number of processor units are employed in a single computer system.(8)RAM and ROM play important roles of storage devices.(存储装置)Uint3(1)Each I/O device includes I/O interface circuitry.(接口电路)(2)The keyboard is used to type information into the computer or input information.(3)The core computer of CRT monitor(阴极射线管显示器)is cathode ray tube.(4)Compared to the CRT monitor, the monitor’s advantages are obvious.(5)Each I/O device is connected to computer system’s address, data, and control buses.(6)CRT monitor means a cathode ray tube monitor.(7)Each key on a standard keyboard has one or two character.(8)Press the key to get the lower character and hole Shift to get the upper. Uint4(1)Inheritance in object-oriented programming allows a class to inherit properties(性能,道具) from a class of object.(2)The language used 0 and 1 is called machine language.(3)C++ is an often considered to be a superset of C , but this is not strictly true.(4)Most C code can easily be made to compile(编译)correctly in C++. (5)C++ is an enhanced version of the C language.(6)Methods are similar to the functions of procedure-oriented (面向过程)programming.(7)An object is simply an instance(实例)of a class.(8)Polymorphism gives object the ability to represent to messages from routines when the object’s exact type is not known.(9)It is a computer program that translates a series of instructions written in one computer language into a resulting output in another computer language.(三)Unit5(1)The operating system is also responsible for keeping track of the activities in the computer system.(2)Real-time operating system are used to control machinery,(机械,机器)scientific instrument and industrial systems.(3) A multi-user operating system allows many different users to take advantage of one computer’s resources simultaneously.(4)The OS is a large program made up of many smaller programs.(5)The OS control how the CPU communicates with other hardware components.(硬件组件)(6)The OS also makes computer easier to operate by people who don’t understand programming languages.(7)Operating system are constantly being improved or upgraded as technology advance.(8)Windows is custom-made to run with Intel CPU and Intel-compatible CPUs,such as Pentium IV.(9)It is a common term for a computer fault that brings down a software program or operating system .It is also refer to the failure of a hard disk drive.(三)Uint6(1)A data structure is a specialized format (格式,板式)for organizing and storing data.(2)Data structure organize data in ways that make Algorithms (算法)moreefficient.(3)An object-oriented approach to data structures (数据结构)brings together both data abstraction and procedural abstraction.(4)Once problem are Abstracted ,(抽象的)it becomes apparent that seemingly different problems are essentially similar or even equivalent in a deep sense.(5)Abstraction allows Common solutions to seemingly different problems.(6)Integer is amounts to a particular collection of anxious or rules that must be obeyed.(7)When a call is made to Algorithms, (算法)all the variable local to the callingroutine need to be saved by the system , otherwise the new function will overwrite the calling routine’s variables.(8)Computers in which the disk is attached to one machine, known as the file server.(文件服务器)Uint7(1)A database consists of a file or a set of files.(2)Fields are the basic units of data storage .(数据存储)(3)The external level defines the different views of the database as required by the external or user programs.(4)One user program may not require all the data in the database.(5)The conceptual level describe the entire database.(6)Object-based logical models are used for describing data at the conceptual (概念上的)and viewlevels.(7)For relationships involving two entity (实体)sets, there can be relationships like one-to-one,one-to-many, many-to-one,and many-to-many.(8)There are various data types to choose from, such as character,numeric ,data ,or other.Unit8(1)A compiler(编译器)is a computer program that translates a computer programwritten in one computer language into an equivalent program.(2)Translation from a low level language to a high level one is also possible. (3)Compiles also exit which translate to a another.(4)Cross compilers are useful when bringing up a new hardware platform for the first time.(5)Since the intermediate level code (中级水平代码)is machine-like in character,but not in form ,it will normally vary with the machine for which the object code is being generated.(6)Intermediate code can be converted directly into the object language (目标语言)by the code generate.(7)Obviously code generation is highly machine-dependent.(8)When the object machine is altered ,the code generator(编译发生器)must be extensively revised.三、阅读理解(10题*2分)四、完形填空五、翻译(第七章重点考)。
计算机专业英语复习资料整理
计算机专业英语复习资料整理英译汉汉译英翻译&简答1)The motherboard is the communications web for the entire computer system.译:主板是整个计算机系统的沟通⽹。
2)The central processing unit (CPU) is the “brain” of the computer.译:中央处理单元,即CPU,是计算机的“⼤脑”3)CPU consists of two function al units: the control unit and the arithmetic-logic unit.译:CPU有两个功能单元:控制单元和算术-逻辑单元。
4)A computer is a fast and accurate system that is organized to accept, store and process data, and produce results under the direction of a stored program.5)译:计算机是快速⽽精准的系统,它⽤来接收、存储和处理数据,并在已存储的程序的指引下输出结果。
6)When people use the term “memory” in reference to computers, they are almost always referring to the computer’s main memory (or primary memory) called random access memory or RAM, which is comprised of chips attached to the motherboard.译:当⼈们谈及计算机⽤到“内存”这个术语时,他们⼏乎总是在指被称为随机存储器RAM的计算机的主存储器,它是由固定在主板上的芯⽚构成的。
计算机英语试题及答案
计算机英语试题及答案一、选择题(每题2分,共20分)1. Which of the following is not a programming language?A. JavaB. C++C. PythonD. Photoshop2. What does CPU stand for?A. Central Processing UnitB. Central Power UnitC. Central Printing UnitD. Central Programming Unit3. What is the full form of HTML?A. Hyper Text Markup LanguageB. Hyper Text Markup LanguageC. Hyper Text Markup LanguageD. Hyper Text Markup Language4. In computer networking, what does IP stand for?A. Internet ProtocolB. Internet ProgrammingC. Internet ProviderD. Internet Processor5. What is the primary function of a router?A. To print documentsB. To store dataC. To connect multiple networksD. To provide internet access6. Which of the following is a type of database management system?A. MS WordB. MS ExcelC. MS AccessD. MS PowerPoint7. What does the acronym RAM stand for?A. Random Access MemoryB. Rapid Access MemoryC. Remote Access MemoryD. Real Access Memory8. What is the term for a collection of data stored in a computer in a structured format?A. FileB. DocumentC. DatabaseD. Folder9. Which of the following is not a type of computer virus?A. TrojanB. WormC. AntivirusD. Ransomware10. What does the term "bandwidth" refer to in the context ofinternet usage?A. The width of the cableB. The speed of data transferC. The number of usersD. The quality of the connection二、填空题(每题2分,共20分)1. The basic unit of data in computing is called a ________.2. A ________ is a type of software that is designed to prevent, detect, and remove malware.3. The process of converting data into a form that can be easily transmitted or stored is known as ________.4. A ________ is a hardware device that allows a computer to connect to a network.5. The term "cybersecurity" refers to the practice of protecting systems, networks, and programs from ________ and other types of cyber attacks.6. A ________ is a collection of related data and the way it is organized.7. The ________ is a type of computer memory that retains data even when the power is off.8. The process of finding and fixing errors in a program is known as ________.9. A ________ is a type of software that allows users to create and edit documents.10. The ________ is a set of rules that define how data is formatted, transmitted, and received.三、简答题(每题10分,共30分)1. Explain the difference between a server and a client in a network.2. Describe the role of an operating system in a computer system.3. What are the key components of a computer system?四、论述题(每题30分,共30分)1. Discuss the importance of data backup and recovery in a computer system.答案:一、选择题1. D2. A3. A4. A5. C6. C7. A8. C9. C10. B二、填空题1. bit2. Antivirus3. Encoding4. Network Interface Card (NIC)5. unauthorized access6. Database7. Hard disk8. Debugging9. Word processor10. Protocol三、简答题1. In a network, a server is a computer system or device that provides resources or services to other computers, known as clients. The server manages network traffic, centralizes data storage, and provides access to shared resources, while the client is a computer that requests and uses these resourcesor services.2. An operating system is the software that manages computer hardware, software resources, and provides services for computer programs. It acts as an intermediary between theuser and the computer hardware, allowing users to interactwith the computer without needing detailed knowledge of the hardware.3. The key components of a computer system include thecentral processing unit (CPU), memory (RAM), storage devices (hard disk, SSD), input devices (keyboard, mouse), output devices (monitor, printer), and peripheral devices (scanner, webcam).四、论述题1. Data backup and recovery are critical in a computer system because they ensure that data is preserved in case ofhardware failure, data loss, or cyber attacks. Regularbackups allow for the restoration of data to a previous state, minimizing downtime and potential loss of information. This process is essential for maintaining business continuity and protecting against data loss.。
计算机专业英语试题及答案
计算机专业英语试题及答案1. 选择题1. Which of the following is not a programming language?a) Javab) HTMLc) Pythond) CSS答案: b) HTML2. Which protocol is used for sending and receiving email?a) HTTPSb) FTPc) SMTPd) DNS答案: c) SMTP3. What does the acronym CPU stand for?a) Central Processing Unitb) Computer Processing Unitc) Control Processing Unitd) Central Power Unit答案: a) Central Processing Unit4. Which programming language is commonly used for web development?a) C++b) Javac) JavaScriptd) Swift答案: c) JavaScript5. What does HTML stand for?a) Hyperlinks and Text Markup Languageb) Hyper Text Markup Languagec) Home Tool Markup Languaged) Hyper Text Modeling Language答案: b) Hyper Text Markup Language2. 填空题1. The process of converting high-level programming code into machine code is called ___________.答案: compilation2. HTTP stands for ___________ Transfer Protocol.答案: Hyper Text3. The process of testing software by executing it is called ___________.答案: debugging4. Java is an object-_____________ programming language.答案: oriented5. DNS stands for Domain Name ___________.答案: System3. 简答题1. What is the difference between TCP and UDP?答案: TCP (Transmission Control Protocol) is a connection-oriented protocol, which means it establishes a connection between the sender and receiver before transferring data. It ensures that all packets are received in the correct order and provides error checking. UDP (User Datagram Protocol), on the other hand, is a connectionless protocol that does not establish a direct connection before transmitting data. It does not guarantee packet delivery or order but is faster and more efficient for time-sensitive applications.2. What is the purpose of an operating system?答案: An operating system (OS) is a software that manages computer hardware and software resources and provides common services forcomputer programs. Its primary purpose is to enable the user to interact with the computer and provide a platform for running applications. It manages memory, file systems, input/output devices, and multitasking. The OS also handles system security and resource allocation to ensure optimal performance.4. 解答题请参考下文并给出自己的解答。
专升本计算机简答题汇总
专升本计算机简答题汇总英文回答:1. What is the difference between a compiler and an interpreter?A compiler translates the entire source code into machine code in one go, while an interpreter executes the source code line by line.2. What is the purpose of a stack in a computer system?A stack is used to store function calls, local variables, and parameters in a LIFO (Last In First Out) order.3. What is the difference between a linked list and an array?A linked list is a data structure that stores datain nodes connected by pointers, while an array is a contiguous block of memory that stores data sequentially.4. What is the difference between a database and a file system?A database is a collection of interrelated data organized into tables, while a file system is ahierarchical structure that organizes files and directories on a storage device.5. What is the purpose of a virtual memory system?A virtual memory system allows a computer to access more memory than is physically available by using a combination of RAM and hard drive space.中文回答:1. 编译器和解释器的区别是什么?编译器一次性将整个源代码翻译成机器码,而解释器逐行执行源代码。
计算机导论考试简答题(Introduction to computer test)
计算机导论考试简答题(Introduction to computer test)9 、 what components do you need to assemble a personal computer? Please give a list of the components for assembling the computer.Answer: motherboards, graphics cards, network cards, memory, hard disk, chassis, power, keyboard, mouse, CD-ROM, monitor, CPU. Graphics card and network card are integrated on the motherboard, you can also buy independent, as well as audio equipment.10. For structured programming languages, there are three basic program structures. What are the three basic program structures, please give an example.Answer: sequential structure, choice structure, cyclic structure;1., sequential structure: from top to bottom in order to perform.2. selection structure: statements with ifThe 3. loop structure: statements with for and while11. The file is a collection of related data stored in memory on the computer. What is the file naming rule? How does the operating system organize files? What are the advantages of this organizational approach?Answer: the file name of a file consists of two parts: the mainfile name and the extension. When extensions are used, numbers are separated.Files in the same folder are not allowed to have the same file name,Organization: organize documents at different levelsAdvantages: it will greatly improve the efficiency of document management, especially the efficiency of file search.12, for the computer system? Neumann system, let the computer to complete a task, which can be divided into several steps?Answer: input - "storage -" control - "operation -" output,15, what are the main technical measures to ensure the security of computer systems?Answer: three aspects of technical safety, management safety, legal security.Anti virus technology, anti hacker technology, firewall technology, intrusion detection technology, data encryption technology, security authentication technology16, a brief description of the development process of computers.Answer: ENIAC just a few decades after birth, the development of computers by leaps and bounds. The main electronic deviceshave been using vacuum tubes, transistors, medium and small scale integrated circuits and large scale and very large scale integrated circuits, which have led to several upgrading of computers.The first generation (1946~1957) is a computer, it is the basic electronic components electronic tube, memory using mercury delay line memory mainly uses a drum, tape, tape cards, etc.The second generation (1958~1970) was a transistor computer.A large number of magnetic memory cores made of magnetic materials are used in memoryThe third generation (1963~1970) is an integrated circuit computer (small scale) basic electronic components third generation computer circuits are small scale integrated circuit and medium scale integrated circuits, the further development of core memory, and start with the better performance of semiconductor memoryThe fourth generation (1971 ~ day ago) is a large scale integrated circuit computerHighly integrated semiconductor memory replaces magnetic core memory.18, from the user's point of view, what components should be included in the hardware system of a personal computer?Answer: monitor, host, key mouse, the host is inside by CPU, motherboard, power, memory, graphics card (see the usersituation, available integration, but also can be used alone), CD-ROM, chassis, hard disk 8 parts. It's basic, and audio equipment... And so on19, Internet is what kind of network, it can provide what aspects of functional services? What can you get out of it?Answer: it is a global network of computers that communicate with each other using public language.Features: (1) email E_mail (2) remote login Telnet (3) file transfer FTP; (4) WWW services, some of which are free of charge, and some services are charged.21, a brief description of the basic components of the computer, the main function of each component, as well as the relationship between the components.Answer: motherboard: the main body of a PC, the motherboard to complete the management and coordination of computer systems, support various CPU, functional cards and the normal operation of the bus interfaceCPU: that is the central processing unit, the core of the whole system, and the highest unit of execution in the whole system. It is responsible for the execution of the whole system instruction, the operation of mathematics and logic, the storage and transmission of data, and the control of internal and external input and output.Chip set: in fact, an integrated circuit chip, it is theinternal components, functions and more chips of the foot assemblyMemory: it is one of the important components on the motherboard. It is the part of data and program that stores the data between CPU and peripheral device.CD-ROM: computer used to read and write CD content of the machine,Disk: our computer is currently the most commonly used essential storage tools (including floppy disk and hard disk)Keyboard: one of the necessary tools for providing instructions and information to a computer. It is an important input device of the computer system and connected to the main box by a cable. The keyboard has 101 keys and 104 keys.The mouse is an important input device of contemporary computer indispensable, with the mouse (Mouse) as an input device, can greatly facilitate the operation of the software, especially in a graphical environment (such as Windows, OS/2 and other operating system use).Monitor: also called monitor (Monitor). Display is one of the most important output devices of computer, and also the main channel for people to communicate with computers.23. Describe the characteristics and operation modes of the linear list, stack and queueAnswer: a linear table is a sequence of finite elements of the same type.As a restrictive linear table, the stack limits the insertion and deletion of the linear table to only one end of the table. It is characterized by the elements of the incoming queue.The basic operation of the stack, in addition to the stack (stack top insert), out of the stack (delete top of the stack), as well as the establishment of the stack (stack initialization), empty, full, and access to the top elements of the stack and other operations,A queue is a restricted linear table with elements added at one end of the table, and the deletion of elements at the other end of the table. The feature is that the incoming queue element first goes out of the queue.25, how are computer software classified? What is the main component of a computer software system?Answer: software is divided into two kinds, one is system software, such as operating system or some programming software, and the other is application software, such as OFFICE, game and so onComposition: computer software consists of programs and related documents. A program is a symbolic representation of an instruction sequence, and a document is the technical data created during the software development process. A program is the body of a software that is usually stored in storage mediasuch as floppy disks, hard disks, and optical disks for use on a computer. The document is especially important for the use and maintenance of software, as a software product released document is mainly manual, which contains the software features, operating environment requirements, installation methods, operating instructions and error information etc.. The operating environment of a software requirement is running it should have at least hardware and other software configuration, that is to say, in the hierarchical structure of the computer system, it is the software of the lower layer (inner layer) at least configuration (including equipment and software version requirements indicators of hardware requirements, etc.). Computer software can be divided into system software and application software by application.System software can be divided into 3 categories: operating system software (software core), various language processing programs and various database management systems.Programs written to solve various computer problems are called application software. It can be divided into application packages and user programsComposition view 2: software systems refer to a computer software system consisting of system software, support software, and application software. It is a collection of all the software in the computer. It includes operating system, language processing system, database system, distributed software system and human-computer interaction system.Operating system, as the underlying software, is essential. Itprovides access, management and control for all kinds of hardware and software. For example, now popular desktop operating systems, Windows series, and so on.Support software, also known as software development environment, and all other applications are developed in the operating system through support software, such as VB, C++ and so on.Of course, sometimes support software also includes some basic tools, such as network connection programs, hardware drivers, and so on.Application software, as described earlier, is developed for other specific applications, such as music, video playback software, browser software, picture editing software, and so forth.26, according to the main electronic logic components used by the computer, the computer has gone through several stages of development, what are the representatives of each stage?Answer: ENIAC just a few decades after birth, the development of computers by leaps and bounds. The main electronic devices have been using vacuum tubes, transistors, medium and small scale integrated circuits and large scale and very large scale integrated circuits, which have led to several upgrading of computers.The first generation (1946~1957) is a computer, it is the basic electronic components electronic tube, memory using mercurydelay line memory mainly uses a drum, tape, tape cards, etc..Representative: universal automatic computer No. 1, IBM701The second generation (1958~1970) was a transistor computer.A large number of magnetic memory cores made of magnetic materials are used in memory. Representatives: UNIVAC-II, IBM7030.The third generation (1963~1970) is an integrated circuit computer (small scale) basic electronic components third generation computer circuits are small scale integrated circuit and medium scale integrated circuits, the further development of core memory, and semiconductor memory, a better performance on behalf of: PDP-1,'PDP-5.The fourth generation (1971 ~ day ago) is a large scale integrated circuit computerHighly integrated semiconductor memory replaces magnetic core memory. Stands for: IBM-3031, Road, runner27. Briefly describe the characteristics and application fields of computers.Features: fast operation, high calculation accuracy, memory ability, logical judgment, automatic operation under program control.Applications: scientific computing, information processing and management, process control, computer aided systems,artificial intelligence, and network applications.Exposition:1, what are the data storage modes in the computer? What are the main functions of a database? What are the main database management systems? Answer: there are two types of data, numerical and non numerical, which must be represented in binary form in the computer. A string of binary numbers can represent quantity values, as well as a character, Chinese character, or other. A string of binary numbers represent different data and different meanings. How are these data organized and stored in a computer's storage device?The data unit bit (bit) bit (bit), the word "bit", is the smallest unit of computer storage, consisting of numbers 0 or 1.Byte (Byte)Database function: a database is a set of organized, shareable data sets that are stored in a computer for a long time. The data in the database is organized, described and stored according to a certain data model. It has lower data redundancy and higher data independence, and can be shared for several users. (1) data definition function (2) data access function (3) database operation management function (4) database establishment and maintenance function. (5) database transmission.Commonly used database management systems are: ACCESS, SQL,Server, Oracle, MySQL, FoxPro and Sybase, etc.2, what is the performance of high quality programs? How can we write high-quality programs?Answer: perfect, that is zero defect. Correctness, robustness. Reliability, ease of use, security, compatibility, performance, clarity, scalability, portability. High quality procedures are not repaired by mistake, but should be completed step by step and cost down.4, what is the computer network, which can be classified according to which methods can be divided into which categories? The main contents of the course of computer network are expounded.Answer: computer network refers to the distribution in different functions in multiple computers and external devices in different geographic locations, connected by communication equipment and traffic lines in the network operating system, network management system, management and coordination of network communication protocol, the computer system resource sharing and information transmission.1: by coverage (personal area network, LAN, metropolitan area network, Wan, Internet)2: by transmission technology (broadcast network, point to point network)3: press transmission medium (wired network, wireless network)Course: overview of computer networks, computing grades, network architectures, Internet technologies6 、 what positions can I take after graduation in computer science and technology? What knowledge and ability do I need for these positions?Soft, hard, net and graph (Marketing type)7. What knowledge should be involved in developing a software system and what courses will be learnt in these courses?Software, compiled language systems, and answers: programming knowledge and software development knowledge. The former includes programming language design, C language programming, data structure, compiling principle, and the latter has database principle and application and software engineering.8. What are the primary functions of a computer operating system? What core functions does an operating system software contain and describe the specific content of these functions?The primary role of the operating system is to organize the workflow of the computer, manage the central processing unit, memory, data and peripherals, check procedures and computer failures, and deal with interruptsThe core functions of the operating system are processor management function, memory management function, device management function, file management function, network andcommunication management function.10. What courses do you want to become a software developer?,What knowledge should be mastered and what abilities to develop?Answer: programming knowledge and software development knowledge. The former includes programming language design, C language programming, data structure, compiling principle, and the latter has database principle and application and software engineering.Ability: self-control, self study, innovation, expression, organization.Quality: morality, psychology, culture, profession, body.11, what are the main computer applications now? What are the knowledge and techniques used in the computer?Answer: scientific computing, information processing, process control, computer aided systems, artificial intelligence, network applications.12, what are the knowledge systems of computer science and technology specialty, what professional abilities and qualities should be trained? What can we do after graduation?Answer: soft, hard, net, graph (Marketing)Ability: self-control, self study, innovation, expression, organization.Quality: morality, psychology, culture, profession, body.13, software development may be divided into those phases, what does each phase mainly do?Answer: 1: system analysis: system preliminary investigation, feasibility analysis, detailed investigation of the system. A new system logic scheme is proposed.2, system design, overall structure design, detailed design (algorithm, coding, database, user interface)3 "system implementation, program design, system design (module, integration, acceptance), system transformation.4. operation and maintenance of the system. (applications, data, coding hardware devices)14, what are the functions of programming language, data structure and computer algorithm in improving the ability to write programs and train programming thinking? How do you become a senior programmer? Learn English wellCultivate interest. Learn C++ well and learn a foreign language well.15, what are the core courses in computer science and technology? Please outline the main content of each course.Basic knowledge of computer, operation system and network knowledge, programming knowledge, software development knowledge and computer system safety knowledge.16 、 what technologies and knowledge do we need to develop an information management software system? What courses do you need to learn to develop your own software development capabilities?Simple question 17: database system consists of database, database management system, application program and data administrator.。
计算机面试英语问答
计算机面试英语问答Q: What programming languages are you proficient in?A: I am proficient in Java, Python, and C++. I have experience working with these programming languages on various projects and have a strong understanding of their syntax and concepts.Q: Can you explain object-oriented programming?A: Object-oriented programming (OOP) is a programming paradigm that organizes data into objects, which are instances of classes. It focuses on the concept of objects that have properties (attributes) and behaviors (methods). Encapsulation, inheritance, and polymorphism are key principles of OOP.Q: Can you explain the difference between SQL and NoSQL databases?A: SQL (Structured Query Language) databases are based on a relational model and use SQL for data management and manipulation. They have a predefined schema and strict data consistency. NoSQL (Not only SQL) databases, on the other hand, do not require a fixed schema and are more flexible. They are designed to handle large amounts of unstructured data and provide high scalability and availability.Q: Explain the concept of a thread in multithreading.A: A thread is a separate sequence of execution within a program. Multithreading allows multiple threads to run concurrently within asingle process, sharing the same memory space. Threads can perform tasks independently and can communicate with each other through shared memory, enabling efficient processing and utilization of system resources.Q: What is the difference between compile-time and runtime errors? A: Compile-time errors occur during the compilation phase of a program and prevent it from being executed. They are usually caused by syntax errors or type mismatches. Runtime errors, on the other hand, occur while a program is running and can cause it to terminate unexpectedly. These errors are often due to logical or runtime issues, such as division by zero or accessing out-of-bounds array indices.。
计算机英语考试答案
计算机英语考试答案1. 选择题题目1:计算机英语的历史起源于哪个国家?答案:英国题目2:什么是“software”?答案:软件题目3:在计算机中,什么是“input”?答案:输入题目4:计算机的基本组成部分是什么?答案:硬件和软件题目5:计算机内存的单位是什么?答案:字节2. 填空题题目1:计算机英语的缩写是什么?答案:CE题目2:计算机中常用的高级编程语言有多少种?答案:多种题目3:计算机网络中,常用的传输协议是什么?答案:TCP/IP题目4:计算机存储器中的RAM是什么意思?答案:随机访问存储器题目5:计算机中最基本的二进制位是什么?答案:比特3. 简答题题目1:请简要介绍一下计算机英语的应用领域。
答案:计算机英语广泛应用于软件开发、计算机网络、数据分析、人工智能等领域。
它是计算机专业人员必须具备的一项基本技能,可以帮助人们更好地理解和应用计算机技术。
题目2:请简要解释一下计算机中的“操作系统”是什么。
答案:操作系统是计算机的核心软件,负责管理计算机的硬件资源和提供用户与计算机之间的接口。
它控制计算机的各种硬件设备的运行,管理文件系统、内存和进程,同时也协调其他软件的工作。
题目3:请简要描述一下计算机网络的基本原理。
答案:计算机网络是指将多台计算机连接起来,通过数据通信实现资源共享的系统。
它基于一定的通信协议,通过物理连接和逻辑连接的方式使得计算机互相之间可以传输数据。
计算机网络的基本原理包括数据传输、路由选择、数据包分组和错误检测等。
4. 问答题题目:请简要解释一下计算机中的“CPU”是什么,并介绍其工作原理。
答案:CPU(中央处理器)是计算机的核心组件,负责执行计算机的指令和控制计算机的运行。
它包括算术逻辑单元(ALU)、控制单元和寄存器等部分。
CPU的工作原理主要包括取指令、译码指令、执行指令和存储结果四个阶段。
在取指令阶段,CPU从内存中读取指令;在译码指令阶段,CPU解析指令并确定执行的操作;在执行指令阶段,CPU执行具体的算术或逻辑操作;在存储结果阶段,CPU将执行结果保存到内存中。
英文版计算机试题及答案
英文版计算机试题及答案一、选择题(每题2分,共20分)1. Which of the following is not a function of an operating system?A. Process managementB. Memory managementC. Data storageD. File management2. In a computer network, what does the term "bandwidth" refer to?A. The width of the network cableB. The maximum rate of data transferC. The number of users connectedD. The speed of the network processor3. What is the primary purpose of a firewall?A. To prevent unauthorized access to a networkB. To encrypt dataC. To manage network trafficD. To store user passwords4. Which of the following is a type of software used for creating and editing documents?A. Spreadsheet softwareB. Database softwareC. Word processing softwareD. Graphics software5. What is the term used to describe the process of converting data from one format to another?A. Data migrationB. Data transformationC. Data conversionD. Data translation6. What does the acronym "CPU" stand for in computing?A. Central Processing UnitB. Central Processing UnitC. Computer Processing UnitD. Computing Processing Unit7. What is the function of a router in a network?A. To connect multiple networksB. To store dataC. To provide power to devicesD. To print documents8. What is the process of finding and fixing errors in software called?A. DebuggingB. PatchingC. UpdatingD. Patching9. Which of the following is a type of computer virus that replicates itself by attaching to other programs?A. TrojanB. WormC. RansomwareD. Spyware10. What is the term for the graphical representation of data on a computer screen?A. Data visualizationB. Data representationC. Data graphingD. Data mapping二、填空题(每题2分,共20分)1. The _________ is the primary memory used by a computer to store data and instructions that are currently being processed.2. A _________ is a type of software that allows users to create and edit images.3. The process of converting analog signals to digital signals is known as _________.4. A _________ is a collection of data stored in a structured format.5. The _________ is a hardware component that connects a computer to a network.6. In computer programming, a _________ is a sequence of statements that perform a specific task.7. The _________ is a type of malware that hides its presence and waits for a trigger to activate.8. A _________ is a type of software that is designed to protect a computer from unauthorized access.9. The _________ is the process of organizing and managing data in a database.10. A _________ is a type of software that allows users tocreate and edit spreadsheets.三、简答题(每题10分,共30分)1. Describe the role of a server in a computer network.2. Explain the difference between a compiler and an interpreter in programming.3. Discuss the importance of data backup and recovery in a computing environment.四、编程题(每题15分,共30分)1. Write a simple program in Python that calculates the factorial of a given number.2. Create a function in Java that takes an array of integers and returns the largest number in the array.答案:一、选择题1. C2. B3. A4. C5. C6. A7. A8. A9. B10. A二、填空题1. RAM (Random Access Memory)2. Graphics software3. Analog-to-digital conversion4. Database5. Network interface card (NIC)6. Function or procedure7. Trojan8. Antivirus software9. Database management10. Spreadsheet software三、简答题1. A server in a computer network is a powerful computer or system that manages network resources, including hardware and software, and provides services to other computers on the network, such as file storage, web hosting, and print services.2. A compiler is a program that translates source codewritten in a programming language into machine code that a computer can execute. An interpreter, on the other hand, reads and executes the source code line by line without the need for a separate compilation step.3. Data backup and recovery are crucial in a computing environment to prevent data loss due to hardware failure, software bugs, or malicious attacks. Regular backups ensure that data can be restored to a previous state in case of corruption or deletion.四、编程题1. Python Program for Factorial Calculation:```pythondef factorial(n):if n == 0:return 1 else:。
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1. What is software ?
Collection of programs is called software .
Categories :
System software (1.operating system; 2.perice divers; 3.utilities; 4.programming language) Application software (1.word processing; cation and training)
Some of the function of the system software are:
(1).displaying information on the screen .
(2).storing data on disks
(3).sending data to the printer
2. what is computer software ?
it is defined as the instructions and associated data , stored in electronic format , that direct the computer to accomplish task.
3. what is the shareware ?
shareware is copyrighted software marketed under a “try before you buy ” policy
4. network : interconnection between 2 or more computer
host 1
host2host3
host4server printer
purpose of network :
(1) sharing the file and applications
(2) sharing hardware devices
kinds of network :
(1) UK JANET (Joint Academic Network)
(2) Europe EARN (European Academic Research Network)
(3) USA ARPA net (Advanced Research Projects Agency Network )
Application of network:
(1) resource sharing
hardware (computer resource , disks , prints )
software (application software )
(2) information sharing
easy accessibility from anywhere
search capability
(3) communication
Email , Message broadcast.
T ypes of network :
(1) LAN (Local Area Network) network in small geographical area ;
(2) MAN (Metropolitan Area Network) network in a city ;
(3) WAN (Wide Area Network) spread geographical ;
5. ISO/OSI divide into 7 layers :
(1) physical layer --- transmitting individual bits from one node to the next
(2) data link layer --- data representation
(3)network layer --- end to end communication
(4)transport layer --- provide services from internet layer to application layer
(5)session layer --- communication between hosts
(6)presentation
(7)application layer --- provide some application
pare OSI with TCP/IP
Similarities :
(1)both have layers
(2)both have application layers
(3)both have comparable transport and Network layers
(4)packet ---switched technology is assumed
(5)networking professional need to know both models
differences :
(1)TCP/IP combines presentation and session layer functions into its application layer.
(2)TCP/IP combines the OSI data link and physical layers into one layer
(3)TCP/IP simpler because it has few layers
(4)OSI complex because it has multiple layers
(5)TCP/IP have 4 layers , but OSI have 7 layers
7.URLS
URL stands for uniform resource locator
A URL is the address of document on the computer
8.8. acronym
(1) IC --- Integrated Circuit
(2) PC --- Personal Computer
(3) CPU ---Central Processing Unit
(4) VDU --- V isual Display Unit
(5) PCI --- Peripheral Component Interconnect
(6) USB ---Universal Serial Bus
(7) GUI --- Graphical User Interface
(8) OSI --- Open System Interconnection
(9) ISO --- International Standard Organization
(10) HTTP --- Hypertext Markup Language
(11) TCP --- Transfer Control Protocol / Internet Protocol
(12) DNS --- Domain Name System
(13) FTP --- File Transfer Protocol
(14) UDP --- User Datagram Protocol
(15) ARP --- Address Resolution Protocol。