计算机专业英语(2008影印版)课后习题单选题题目及答案

CHAPTER 1A common term that describes the combination of traditional computer and communication technologies isb. information technologyProcedures are typically documented in manuals written byb. computer specialistsWhich of the following is an example of connectivity?a. InternetWindows XP, windows Vista, and Macintosh OS X are all examples ofb. browsersBecause of their size and cost, these computers are relatively rare.d. supercomputersThe system component that controls and manipulates data in order to produce information is called thed. microprocessorA system component that translates data and programs that humans can understand into a form that the computer can process is called a(n)c. output deviceA CD is an example of a(n)c. optical discIf you want to communicate a message or persuade other people, you would typically use this type of software.d. presentationMany experts are predicting that this revolution is expected to dramatically affect the way we communicate and use computer technology.d. wirelessCHAPTER 2The Internet was launched in 1969 when the United States funded a project that developed a national computer network calledd. ARPANET__ is the most popular Internet activity.a. communicationA(n) __ program provides access to Web resources.c. ISPRules for exchanging data between computers are calledc. protocolsThe last part of the domain name following the dot (.) is the top __ domain.a. level__ are widely used to add interest and activity to a Web site by presenting animation, displaying graphics, providing interactive games, and more.a. AppletsUnwanted and unsolicited e-mails are called __.a. spamPrograms that automatically submit your search request to several search engines simultaneously are called __.a. metasearch engines__ cash is the Internet’s equivalent to traditional cash.d. DigitalThese programs allow parents as well as organizations to block out selected sites and set time limits on Internet access.b. filtersCHAPTER 3This type of software works with end users , application software, and computer hardware t handle the majority of technical details.d. system software__ are narrowly focused on specific disciplines and occupations.c. Specialized applicationsThe primary purpose of this type of software is to create text-based document.b. word processingOrganizations create newsletters, manuals, and contracts are all examples ofd. documentsNumbers and formulas entered in a cell are calleda. numeric entriesThe acronym DBMS stands for what?b. database management systemDatabase __ are primarily used to enter new records and to make changes to exciting records. c. queriesA file that includes predefined settings that can be used to create many common types of presentations is called ac. templateA(n) __ is a single program that provides the functionality of a word processor, spreadsheet, database manager, and more.b. integrated packageCHAPTER 4Graphic programs widely used in the graphic arts profession include __.a. desktop publishing programs, image editors, and illustration programsImage editors are used for creating and editing __.a. bitmap imaginePrograms used to create or modify vector images are called __.a. illustration programsPages in a multimedia presentation typically provide __ or connections to related information. b. linksWhen determining the overall objective of a multimedia project, the resources required, and the people who will work on the project, you are in __ step.a. planningMany individuals create their own personal sites called Web logs, orb. blogsA special effect in which one image seems to melt into another is referred to asc. morphingUsers can interact in a fully immersed 3-D environment using __.b. virtual realityFuzzy logic isa. used to respond to questions in a humanlike wayRobots used in automobile plants would be classified asb. industrial robotsCHAPTER 5Software that allows your computer to interact with the user, applications, and hardware is called c. system softwareIn order for a computer to understand a program, it must be converted into machine language by a(n) __.d. language translator“GUI” stands forc. graphical user interfaceTo connect several computer together, one generally needs to be running a(n) __ operating system.a. network__ is the most widely used operating system.a. WindowsThis operating system is most popular with graphic designers and those who work in multimedia c. Mac OSThis operating system was originally designed to run on minicomputers used in a network environment.b. UNIXThese programs guard your computer against malicious programs that may invade your computer system.b. antivirus programA concentric ring on a hard disk is referred to as aa. trackEvery time the computer system is started ,the operating system loads these into memory.c. device driversCHAPTER 6The container that house most of the electronic components that make up a computer system is known as thed. system unitThe smallest unit in a digital system is ab. bitThe communication medium for the entire computer system is thec. motherboardThese provide expansion capability for a computer system.b. slotsThe __tells the rest of the computer how to carry out a program’s instructions.b. control unitA 32-bit word computer can access __ bytes at a time.a. 4These chips are specifically designed to handle the processing requirements ralated to display and manipulating 3-D image.a. graphics coprocessorsThis type of memory improves processing by acting as a temporary high-speed holding area between the memory and the CPU.c. cache memory__ is a set of hardware and software standards.b. Plug and Play__ ports connect special types of music instruments to sound cardsd. MIDICHAPTER 7Hardware used to translate words, sounds, images, and actions that people understand into a form that the system unit can process is known asa. input devicesThis type of keyboard provides the greatest amount of flexibility and convenience by eliminating cables connected to the system unit.b. wireless keyboardThe mouse __ usually appears in the shape of an arrow.a. pointerThis type of pointing device is located in the middle of the keyboard.b. pointing stickThis type of pointing device has crisscrossed invisible beams of infrared light that are protected with a clear plastic outer layer.d. touch screenA universal product code is read by what type of scanner?a. bar code__ input devices convert sounds into a form that can be processed by the system unitd. AudioThe most important characteristic of a monitor is itsc. clarityWhich of the following printer types requires special paper?d. thermal__ is a specialized input and output device for receiving and sending voice communication.b. Internet telephoneCHAPTER 8Primary storage is referred to as __storage.a. volatileThe amount of time required by a storage device to retrieve data and programs is itsa. access speedHow tightly the bits can be packed next to one another on a disk is referred to anc. densityThick, rigid metal platters that are capable of storing and retrieving information at a high rate of speed are known asa. hard disksThe data on an optical disc is represented by flat areas called __ on the disc surface.c. landsA CD-RAM disca. cannot be erased and rewrittenDVD stands forc. digital versatile discThis type of storage device has no moving parts.d. solid stateTape is described as using this type of accessd. sequentialSpecialized high-capacity secondary storage device designed to meet organizational demands for data.c. mass storageCHAPTER 9Connectivity is a concept related toc. using computer networks to link people and resourcesThe transmission medium that carries the message is referred to as theb. communication channelBluetooth is a type of radio wave information transmission system that is good for abouta. 30 feetSpecial high-speed lines used by large corporations to support digital communications are known asd. T1, T2, T3 and T4 linesThe rules for exchanging data between computers are calledc. protocolsTwo or more computer connected so that they can communicate with each other and share information are called ad. networkA device, connected to a network, that shared resources with other nodes is called ab. serverThe arrangement of the computers in a network is called theb. topologyA way of coordinating the sharing of information and resources is called a network __ .b. strategyA(n) __ protects an organization’s network from outside attack.d. firewallCHAPTER 10The standards of moral conduct that control how computers are used are calleda. ethicsThe ethical issue that involves who is able to read and use data isa. accessTwo types of cookies are __.d. ad network and traditionalPeople who gain unauthorized access to computers for the fun of it, but do not intentionally do damage, are__b. hackersA program that migrates through networks and operating systems by attaching itself to different programs and databases is a __.a. virusAn attempt to slow down or stop a computer system or network by flooding the system with requests for information is called ac. denial-of-service attackSecret words or numbers used to gain access to a computer system are calledd. passwordsOne of the more common type of technological failures is when your computer experiences too much electricity. This is known as__c. a voltage surge__ is the study of human factors relating to things people useb. ergonomicsThe computer industry response to the Energy Star program is thed. Green PC。