计算机导论选择题中文翻译

•Introduction to Computer Systems
•TA: He Lin
•12.28.2010
•UNIT 1 Computer Systems
Multiple-Choice Quiz 1
1.Which of the following is (are) true about
computers?
I. They accept input.
II. They store data.
III. They produce output.
(a)II and III only
(b)II only
(c)I and III only
(d)I, II, and III
2.Which of the following can supply input to
a computer?
以下哪一个可以向计算机提供输入？
I. A person 人
II. The environment环境
III. Another computer 另一台计算机
(a) I and II only
(b) I, II, and III
(c) III only
(d) I only
3.A computer processes data in a device called the
一台计算机在一个设备上处理数据，那么这个设备被称为：
(a) Server服务器
(b) URL (Uniform Resource Locator）统一资源定址器
(c) CPU（central processing unit）中央处理器
(d) device driver(设备驱动器)
4. A computer file is a named collection of data that exists on which of the following?
数据集文件存在于以下哪个地方？
I. Optical disk (CD or DVD) 光盘
II. Floppy disk 软盘
III. Hard disk 硬盘
(a)I, II, and III
(b)II and III only
(c)III only
(d)I only
puters that operate in essentially the same way are said to be
计算机操作在本质上同样又被称作
(a)Integrated一体的
(b)Compatible兼容的
(c)Compound混合的
(d)user-friendly 友好的
Multiple-Choice Quiz 2
1.Which of the following is (are) true regarding the
use of punched cards in computers?
关于计算机上穿孔卡片的用途，以下那一项是正确的？
I. Punched cards use a technique that was originally
used in Jacquard looms.
穿孔卡片使用的一种技术最初用于提花纺织机上
II. Punched cards can be used to store program
instructions, but not data.
穿孔卡片能够被用于存储程序指令，而不能是数据
(a)I and II
(b)None
(c)II only
(d)I only
2.Which of the following is (are) true regarding the application of computers in the business field?
对于计算机在商业领域的应用，以下哪个是正确的？
I. Computers can be used in supply chain management both for tracking the supply of raw materials as well as the supply of finished products.
计算机可用于跟踪原材料的供应和成品的供应的供应链管理。

II. Customer-relationship-management software systems enable customers to place orders and provide mechanisms to process placed orders.
客户与管理软件系统的关系能够使客户下订单，并提供一些机制来处理订单。

(a) I only (b) I and II (c) None (d) II only
3.Which of the following is (are) true regarding
vacuum Tubes?
关于电子管的说法，以下哪一个是正确的？
I. They can be used to control the flow of electrons.
他们能用于控制电流
II. They perform computations more quickly than
mechanical components.
他们比机器部件计算得更快
(a)I only
(b)II only
(c)None
(d)I and II
4.Which of the following statements is (are) true about transistors？
关于晶体管的说法，以下哪一个是正确的？
I. They consist of microscopic circuit elements,
such as wires, transistors, capacitors, and
resistors, packed on a thin slice of silicon.
它们是微电路的组成部分，比如：电缆，晶体，电容和电阻，装在一个很薄的硅片上
II. They were used to replace vacuum tubes in
computer systems.
在计算机系统中，它们用来取代电子管
(a)I only
(b)None
(c)II only
(d)I and II
5. Which of the following is (are) true Regarding integrated
circuits and microprocessors?
关于集成电路和微处理器，以下哪一个说法是正确的？
I. Integrated circuits contain more electrical components
than microprocessors.
集成电路比微处理器有更多的电子器件
II. Microprocessors must be manufactured for each
application separately, while integrated circuits can be
reused.
微处理器必须为每一个应用单独制造，而集成电路可以重复使用
(a)I and II
(b)II only
(c)I only
(d)None key
6.Which of the following statements concerning
microprocessors is correct?
关于微处理器的描述，下列哪一个描述是正确的？
(a)Most microprocessors are as big as a human hand.
大多数微处理器是和人的手掌一般大
(b) Microprocessors cannot be programmed after they are manufactured.
微处理器在制造好后不能被编程
(c) Microprocessors consist of integrated circuits.微处理器是由集成电路组成的
(d) Microprocessors can only be programmed for a single purpose.
微处理器只能作为单一的目的来编程
7. Which of the following statements about
transistors and vacuum tubes is (are) true?
关于晶体管和电子管的描述，以下哪一个是正确的？
I. Transistors are smaller than vacuum tubes.
晶体管比电子管小
II. Transistors burn out faster than vacuum tubes.
晶体管比电子管更快烧坏
III. A computer that uses transistors would require
more power than a computer that uses vacuum
tubes.
一台计算机用晶体管比用电子管耗的电多
(a)I and II only
(b)III only
(c)II and III only
(d)I only key
8.Which of the following is (are) true regarding the comparison between transistors and vacuum tubes?
关于晶体管和电子管的比较，以下哪一个是正确的？
I. Transistors are smaller and more reliable than vacuum tubes.
晶体管比电子管更小、更可靠
II. Vacuum tubes are more energy efficient than transistors.
电子管比晶体管耗去更多的能量
(a) None
(b) I and II
(c) I only
(d) II only key
Multiple-Choice Quiz 3
1.Of the following, which best describes the difference
between bits and bytes?
关于位(比特)和字节的区别，以下哪一个是最佳描述？
(a) There is no difference between bits and bytes. The
terms are used interchangeably.
位和字节没有区别，可以相互交换
(b) A bit is the smallest unit of information in a computer. A
byte is a collection Of bits.
位是计算机信息的最小单元，而字节是位的集合
(c) A byte represents the values 0 and 1, while a bit
represents a range of values from 0 to 255.
一个字节是代表0和1的值，而一个位代表0~255值的范围
(d) A byte is the smallest unit of information in a computer.
A bit is a collection of bytes.
字节是计算机信息的最小单元，而位是字节的集合
2.Which of the following is approximately equivalent to 160,000,000 bytes?(近似计算)
I.160 Megabytes
II.16 Nanobytes
III.0.16 Gigabytes
(a) I and III (b) I and II (c) III only (d) I only
3.What is the decimal equivalent of the binary number 1101010?(二进制转化为十进制)
(a) 104 (b) 108 (c) 110 (d) 106
4.What is the binary equivalent of the decimal number 123?
(a) 1111101 (b) 1101110 (c) 1111011 (d) 1111111
5.How many bits are required to store any given number in the range 0
to 255?
(a) 8 (b) 16 (c) 32 (d) 4 Multiple-Choice Quiz 4
1.The budget processor(预算处理器) produced by Intel is called the
(a) K6 (b) Athlon(速龙AMD) (c) Pentium(奔腾) (d) Celeron(赛扬)
2.Steps performed by the CPU during the fetch-execute cycle include
which of the following? CPU在执行循环期间，完成的步骤包括以下哪些？
I. Interpret
II. Store
(a)I and II(b) None (c) II only (d) I only
3. The microprocessor in a multi-purpose computer is also
known as the 微处理器在多用途计算机上被称为：
(a) PCI (peripheral component interconnect) 总线
(b) VGA (video graphics array)视频图像阵列
(c) RAM
(d) CPU
4.Which of the following is the primary function of a CPU?
以下哪一个是CPU的主要功能？
(a) To execute any program's instructions stored in RAM
去执行存储在RAM中的任何指令
(b) To determine if a program functions correctly before
using it
去决定程序在使用前其功能是否是正确的
(c) To execute only the instructions within a user specified
application
在用户的具体应用下，去执行这些仅有的指令
(d) To execute only the operating system's instructions
仅仅能执行操作系统的指令
5.An Arithmetic/Logic Unit typically performs which of the
Following operations?
一个算术/逻辑单元一般执行以下哪些操作？
I. Retrieval of instructions from RAM
从RAM中得到指令的返回
II. Performance of greater-than and less-than comparison
性能大小的比较
(a) I only (b) None (c) I and II (d) II only
6. Of the following types of memory, which is least
expensive?
以下内存中，哪一种最便宜？
(a)Register(寄存器) (b) L1 Cache
(c) L2 Cache (d) DRAM(动态随机存储器)
7.In order to retain data for future reference, volatile
storage requires
为了以后参考，可变的存储而获得数据，需要使用什么？
(a) the use of magnetism
(b) the use of optical media
(c) media that can be removed from the computer
(d) a constant source of electrical power
8.A computer clock with a speed of 100 MHz cycles how
many times per second?时钟速度
(a)1,000
(b)100,000,000
(c)100,000
(d)100
9.Which of the following kinds of projects typically requires
a special type of CPU that would not be found in a
desktop or mainframe computer?以下哪种方案需要一种CPU，这种CPU在桌面和主机上都是看不见的
(a) Monitoring the operation of an automobile engine
监视汽车引擎的操作
(b) Looking up and storing information on customer
accounts
在客户资料上查找和存储信息
(c) Processing requests to send and receive email
关于发送和接收邮件的处理请求
(d) Performing business calculations for a financial report
为一份财政报告完成业务计算
10.Which of the following types of memory typically holds
computer configuration settings and is powered by a
small battery?
哪种类型的存储器典型地拥有计算机配置的装置
(a) CMOS:CMOS（Complementary Metal Oxide Semiconductor)
(b) Flash(Flash Memory)
(c) ROM
(d) Cache
11.What is an area in the computer system unit that
temporarily holds data before and after it is processed
until the computer is turned off?
在计算机系统中，直到计算机被关闭之前，哪个区域暂时
存储处理前后的数据？
(a) RAM (b) CMOS (c) Hard disk drive (d) ROM
12.The list of instructions that a CPU is able to execute is
known as its
一个CPU能够执行的指令的序列被称为：
(a) instruction set 指令集
(b) op codes 操作码
(c) operands 运算域
(d) glossary 术语表
13.Which of the following manufacturers provides the
Pentium family of processors for desktop computers?
为桌面计算机提供奔腾系列的处理器是哪个生产厂商？
(a) Intel
(b) AMD
(c) IBM
(d) Cyrix
14.Which of the following can be an advantage of buying a computer that contains a widely-used CPU or its equivalent clone?
对于买一台具有普遍使用的CPU或同系列产品的计算机，以下哪些是它的优点？
I. A lot of established computer suppliers provide products using that type of CPU
许多既定的电脑供应商提供使用那种CPU类型的产品
II. The cost of the CPU is likely to be lower because of the large quantities of the CPU that have been sold.
由于大量这种CPU的销售，使得这种CPU的价格很低
III. There will be more operating systems that work with that type of CPU.
有更多的操作系统在这种类型的CPU上工作
(a) II and III only
(b) I, II, and III
(c) I and II only
(d) I and III only
ponents of the CPU typically include which of the
following?
CPU一般包含哪些部分？
I. The control unit 控制单元
II. The Level 1 cache memory一级缓存
III. The Arithmetic/Logic Unit 算术/逻辑单元
(a) I and II only
(b) I, II, and III
(c) I and III only
(d) II and III only
16.CPU performance is influenced by which of the following?
影响CPU性能的主要有哪些？
I. Word size 字大小
II. Clock rate 时钟速率
III. Instruction set size 指令集的大小
(a) I, II, and III
(b) II only
(c) I and III only
(d) I and II only
17.Consider Computer A, which uses a 1.2-GHz CPU, and Computer B, which uses a 1-GHz CPU. For any given program P, which of the following is true?
考虑一台1.2-GHz CPU的主机A，和一台1-GHz CPU的主机B，对于
已知的程序P，下面哪一个是正确的？
(a) It takes the same amount of time for program P to run on computer
A as it does on computer B.
程序P在A、B耗的时间一样多
(b) Program P runs faster on Computer B than it does on computer A
程序P在主机B上比A上运行得快
(c) It cannot be determined whether program P will run faster on
computer A or on computer B without knowing more about program
P.
由于不知道程序P的更多信息，无法决定程序P在A、B上的快慢
(d) Program P runs faster on Computer A than it does on computer B.
程序P在主机A上比B上运行得快
18.When a computer is turned on, the central processing
unit performs instructions specified by the _____ that
searches the disk drive for the main operating system
files.
当启动一台电脑的时候，CPU运行指令集的详细过程是通
过什么来为主操作系统文件来搜寻硬盘驱动的？
(a) virtual memory虚拟内存
(b) CMOS
(c) RAM BIOS
(d) ROM BIOS
Multiple-Choice Quiz 5
ptop computers typically contain _____ slots.
便携式计算机一般包括哪些扩展槽？
(a) ISA (Industry Standard Architecture)
(b) DB-9
(c) PCMCIA (personal computer memory card international
association)
(d) AGP (Accelerated Graphic Port)加速图象端口
2.Which of the following is (are) true of USB computer connections?
USB (Universal Serial Bus)
I. A USB hub can support up to 127 devices.
一个USB接线器可以支持高达127个设备
II. Typically, USB devices can be connected without restarting the
computer.
一般地，USB设备不需要重启主机就能够连接
(a) I only (b) I and II (c) None (d) II only
3.One advantage of an LCD monitor is(liquid crystal display)
液晶显示器的一个优点是
(a) brightness更亮
(b) low price便宜
(c) increased radiation emission 增加辐射散发
(d) compactness 小巧
4.Which of the following technologies uses a gun-like
mechanism to spray the screen with dots of color?
以下哪种技术是用彩色点像枪一样喷洒在屏幕上？
(a) CRT (Cathode Ray Tube)阴极射线管
(b) VIS (Visual Identity System)视觉识别系统
(c) Pitch
(d) LCD 液晶显示器
5. A computer bus that transfers data twice per cycle is
said to be double
计算机总线在每个周期传输数据两次，因此被说为双___?
(a) pumped
(b) channeled
(c) timed
(d) wide
6.Desktop computer expansion slots include which of the
following?
台式电脑包括以下哪些？
I .PCMCIA
II .PCI
III .AGP
(a)I and III only (b) I and II only
(c) I, II, and III (d) II and III only
7.Which of the following is a relatively new and
flexible interface for connecting many diverse
input/output devices to a computer through a
single port?
能够通过单一的接口将多种输入输出的设备连接
到计算机，这种相关的新的、灵活的接口是以下
哪一个？
(a) USB
(b) serial port串口
(c) AGP
(d) parallel port并口
8.Which of the following considerations is (are) important
when purchasing a graphics card for a computer?
当为一台计算机购买显卡的时候，什么是着重考虑的？
I .The type of printer 打印机的类型
II .The type of bus interface to be used by the graphics card
被用在显卡接口上的总线类型
III .Whether the card has a graphics processor to speed up
processing
这个卡是否有一个图形处理器去加速处理
(a) II and III only
(b) I and II only
(c) I and III only
(d) I, II, and III
9. Which of the following is (are) true of CRT monitors?
关于CRT(纯平)显示器下列哪一个是正确的？
I .CRT monitors are typically used in notebook computers. 常用于笔记本电脑上
II .CRT monitors use electron beams to create
colored light. 采用光束去制造彩色光
(a) II only
(b) I only
(c) I and II
(d) None
10.A parallel port can be used to connect a computer to a 一个并口能被用来连接一台计算机到哪里？
(a) mouse
(b) keyboard
(c) monitor
(d) printer
11. A desktop computer expansion slot that is primarily used for graphics cards is the _____ slot.
台式机的扩展口主要用于显卡的是什么扩展槽？
(a) PCI
(b) PCMCIA
(c) AGP
(d) ISA (Industry Standard Architecture)
12.Which of the following devices is involved in both frequent and large data transfers?
哪一个设备是涉及到很频繁并且大量的数据传递？
(a) Printer
(b) Keyboard
(c) Monitor
(d) Scanner 扫描仪
13.A monitor is primarily which kind of device?
显示器主要是哪种设备？
(a) An output device
(b) An input device
(c) A memory device
(d) A storage device
14.The speed of a computer bus is measured in
_____, whereas the transfer rate is measured
in _____.
计算机总线的速率用什么单位来衡量？而传输率
呢？
(a) channels, bits
(b) Bps, hertz
(c) bits, channels
(d) hertz, Bps
15.Which of the following are true of Universal Serial Bus
(USB)?
以下关于USB的说法正确的是？
I .A large number of devices can potentially be interconnected using
the USB. 用USB能够使大量的设备潜在的相互连接
II .It is used with many types of devices for transferring large amounts
of data. 由于能够传输大量的数据，因此被许多设备使用
III .It supports existing serial- and parallel-port devices.
它支持已存在的串-并口设备
(a) I, II, and III
(b) II and III only
(c) I and II only
(d) I and III only
puter output devices include which of the following?
计算机的输出设备包括以下哪些？
I .Projector 放映机
II .Microphone
III .Printer
(a) I and II only
(b) I and III only
(c) II and III only
(d) I, II, and III
17.Which bus transfers data between the CPU and the
chipset? 哪一种总线在CPU和芯片集之间传输数据
(a) Front side前端总线，通常用FSB表示，是将CPU连接到北桥芯片的总线。

(b) Memory
(c) PCI
(d) AGP
18.Which of the following is not true when comparing ink-
jet printers with laser printers?
关于喷墨打印机和激光打印机的比较，以下哪一个是不正
确的？
(a) Ink-jets have a slower print speed.
喷墨打印机打印速度更慢
(b) Both ink-jet and laser printers produce fairly high quality graphics.
两种打印机打出的图像质量都相当的高
(c) Laser printers have a wide price range and are more expensive than ink jets.
激光打印机有一个很宽泛的价位并且比喷墨打印机更贵一些
(d) Ink-jet and laser printers have a similar cost per printed page when printing large quantities of pages. 当打印较多的页面时，两种打印机对每张页面的代价差不多
19.Ethernet cards are used to provide a computer
a connection to which of the following?
以太网网卡被用于一台计算机连接到以下什么地
方？
(a) High speed input/output devices
高速输入/输出设备
(b) Local area networks
局域网
(c) Large capacity storage devices
大容量的存储设备
(d) Another computer via the telephone lines
通过电话线连接的另一台计算机
20.Which of the following is (are) true of a bus on the
motherboard?
关于主板上的总线的说法正确的是？
I .A bus is not critical to the overall performance of a
computer system.
对计算机系统的总体性能不是很关键
II .A bus is used to transport data between components on the motherboard.
被用于主板各部分之间传输数据
III .The CPU and other components use a bus to read and write data into RAM.
CPU和其它部件利用它把数据读写到RAM中
(a) I and III only
(b) I, II, and III
(c) II and III only
(d) I and II only
Multiple-Choice Quiz 6
1.Which of the following is (are) true regarding flash memory?
关于闪存哪些是正确的？
I .It uses electronic charges for recording data.
它利用充放电的过程来记录数据
II .It makes use of moving parts inside the chip for storing
data.
它利用在芯片中的移动部分来存储数据
(a) II only
(b) I and II
(c) I only
(d) None
2.Which of the following are interfaces used with
hard disk drives?
在硬盘的驱动器中，以下哪一种结口被利用
I. AGP
II. EIDE （Enhanced IDE增强性IDE）是Pentium以上主板必备的标准接口。

III. Ultra ATA ATA是AT Attachment的缩写，计算机上的附加设备（ATA可以使用户方便地在PC机上连接硬盘。

(a) I and III only
(b) I and II only
(c) II and III only
(d) I, II, and III
3. Which of the following is not a useful strategy for organizing file data
on disks so as to access the data in the shortest possible time?
为了在可能的最短时间内访问数据，以下哪一种不是在硬盘上组织文
件数据的有效策略？
(a) Organizing file data on a disk in consecutive sectors and tracks to
minimize the time required to position the disk head to the proper
location
为了尽量减少定位磁头到正确的位置所需的时间，因此在硬盘上组
织文件数据到连续的扇区和磁道。

(b) Organizing file data that spans multiple disk platters so as to
occupy one side of a platter completely, prior to overflowing onto
a different platter
组织文件数据到多个磁盘盘片间，以便于完全占据一个盘片的一
端，优先溢出到一个不同的盘片上
(c) Organizing file data on different disk drives to allow for
simultaneous access of the data
组织文件数据在不同的磁盘驱动器上为了允许同步访问这些数据
(d) Organizing file data in consecutive sectors to take advantage of faster rotational speeds
组织文件数据在连续的扇区是为了利用更快的轮转速度
4.Of the following types of storage, which provides the
fastest access to data?
以下的存储类型，哪一种提供更快的访问速度？
(a) CD-ROM
(b) hard disk
(c) cache
(d) RAM
ing a single EIDE interface, a total of _____ devices
can be accommodated.
使用一个EIDE接口，一共可以支持几个设备？
(a) eight
(b) seven
(c) four
(d) two
6.Floppy disks typically hold about _____ of data, while hard disk drives
typically hold several _____ of data
软盘一般可以容纳多少数据？而硬盘一般可以容纳多少数据？
(a) 1 MB, TBs (b) 10 MB, TBs
(c) 100 KB, GBs (d) 1 MB, GBs
7.Which of the following is (are) true regarding flash
memory storage devices?
关于“闪存”存储设备，以下哪一个是正确的？
I .Flash memory storage devices are generally used in
small devices like digital cameras and personal digital
assistants. “闪存”一般用于一些小的设备上，比如：数
码相机和个人数字助理
II .CompactFlash and SmartMedia cards are examples of
flash memory storage devices. 压缩闪存卡和SM卡是快
闪存储设备的实例
(a) I only (b) None (c) II only (d) I and II
8.Of the following storage media, which has the largest
capacity?
以下的存储媒介，哪一个具有最大的容量？
(a) CD-ROM (b) CompactFlash card压缩闪存卡
(c) DVD
(d) High density (HD) floppy disks 高密度的软盘
9. Which of the following is (are) true regarding floppy disks
and Zip disks?
关于软盘和Zip 磁盘的描述，以下正确的是？
I .Zip disks are capable of storing more data than floppy
disks.
Zip磁盘比软盘有存储更多数据的能力
II . Floppy disks transfer data more quickly than Zip disks.
软盘比Zip磁盘传输数据快
(a) None (b) I and II (c) II only (d) I only
10.When purchasing a hard disk drive, which of the
following are major considerations in deciding between
hard disk drives that are similar in price and capacity?
当购买硬盘驱动器的时候，类似于价格和容量，在硬盘驱
动器之间哪一个是主要考虑的？
I .The speed at which their platters rotate 盘片的速度
II .The length of their access times 访问的长短
III .The speed with which they transfer data to primary
memory 向内存中传输数据的速度
(a) I and II only
(b) I, II, and III
(c) III only
(d) II and III only
Multiple-Choice Quiz 7
1.Why is it important to have large amounts of RAM in a
computer system?为什么在计算机系统中拥有大量的RAM很重要？
(a)RAM continues to be less expensive than hard disk
memory. RAM一直比硬盘便宜
(b) Multitasking and large programs run slowly if there is
insufficient RAM.
如果没有足够的RAM，多重任务和大量的程序将运行得很慢
(c) You cannot load and execute a program unless there is
sufficient RAM to hold all of a program‘s CPU
instructions.
你不能加载和执行一个程序，除非有足够的RAM去容纳所有程序CPU的指令(d) Programs cannot access files unless the entire file is first loaded into RAM.
除非整个文件先被加载到RAM中，否则程序不能访问文件
2.Consumer demand for more powerful desktop computers
continues to grow at a rapid pace, keeping up with the
technological advances predicted by Moore's Law. If a user
purchased a state-of-the-art computer 18 months ago, what
should such a user expect to pay for a computer today that
is twice as powerful as the computer that is now 18 months
old?
消费者需要配置更高的电脑，同时电脑的技术更新也按照莫尔定律在快
速发展。

如果一个用户18个月前购买了一台当时配置最好的电脑，而现
在这样的一个用户希望买一台配置是18个月前的2倍的电脑，那么用户需
要花多少钱？
(a) Approximately half the amount of money paid for the
old computer
大约花旧电脑一半的钱
(b) Approximately three times the amount of money paid for
the old computer
大约花旧电脑3倍的钱
(c) Approximately the same amount of money paid for the
old computer
大约和旧电脑花同样多的钱
(d) Approximately twice the amount of money paid for the
old computer
大约花旧电脑2倍的钱
3.According to Parkinson's Law of Data,additional memory
根据帕金森的数据定律，辅助存储器
(a) results in decreased use of memory
导致对你内存的使用减少
(b) requires the CPU to run programs faster
要求CPU运行程序更快
(c) encourages the use of memory intensive techniques
鼓励内存密集型技术的使用
(d) always requires additional RAM
总是需要辅助RAM
4.What is the general term used to describe the process of recoding data so that it requires fewer bytes of storage
space?
什么一般的术语可以被用于描述记录数据的过程并且使它
需要更少存储字节数的空间？
(a)Rationing定量
(b)Data compression数据压缩
(c)Encoding加密
(d)Run length encoding行程编码：图像学概念
5.If Moore's Law holds true for disk capacities and
if the largest disk currently available is 10GB,
what is predicted to be the largest disk capacity
six years from now, assuming an 18 month cycle
to double capacity?
如果莫尔定律对磁盘容量的预测是正确的，以及
如果当前最大的磁盘容量是10GB,那么6年后最大
磁盘容量是多少？（假设磁盘容量18个月翻倍）
(a)640 GB (b) 100 GB
(c) 60 GB (d) 160 GB
6. Which of the following areas of computer technology
does Moore's Law impact in some way?
I. Cost of software
II. Processor speeds
III. Amount of RAM on a chip
(a) I and II only
(b) II and III only
(c) I and III only
(d) I, II, and III
7.Which of the following create performance bottlenecks?
以下哪些制造了性能的瓶颈？
I. Disk access speed is too slow when compared to CPU processing speed.
相比CPU的处理的速度，硬盘的访问速度太慢了
II. RAM access speed is too slow when compared to
CPU processing speed.
相比CPU的处理的速度，RAM的访问速度太慢了
III. Bus transfers to network cards and video cards are
too slow when compared to CPU processing speed
相比CPU的处理的速度，总线传输到网卡和声卡的速度太慢了
(a) I and II only (b) I, II, and III
(c) I and III only (d) II and III only
8.Which of the following is (are) true regarding bottlenecks
that degrade the performance of a computer system?
关于降低计算机系统性能的瓶颈的描述，以下哪些是正确的？
I. Slow transfer of data between components in a system
constitutes a bottleneck.
数据在各个部件之间的传输太慢形成了一个瓶颈
II. A slow video card can constitute a bottleneck for graphics applications.
一个缓慢的声卡能形成图形应用的瓶颈
(a) I only
(b) II only
(c) I and II
(d) None
9.Which of the following is a reason for degradation in
computer system performance due to insufficient cache
memory?
以下哪一个是由于不充足的cache缓存而导致计算机系统
性能下降的原因？
(a) It takes a longer time to transfer data from the
peripheral devices to the chipset.
它要花费很长时间把数据从周边设备传输到芯片集
(b) The processor performance will be less than optim
处理器的性能将不是最优的
(c) It takes a longer time to transfer data from the hard disk to the cache.
它要花费很长时间把数据从硬盘传输到cache
(d) Instructions have to be loaded frequently from the hard disk.
指令不得不频繁地从硬盘载入
10.How are data files compressed into shorter sequences of bytes?
数据文件是怎样被压缩成更短的字节序列的？
(a) By using higher speed disks, enabling them to be read back faster
通过使用高速磁盘，能够使得读回的时间更快
(b) By replacing long sequences of identical data with a special coded format
通过用一种特殊的编码格式取代独立的很长的数据序列
(c) By writing in the empty spaces between the sectors on a disk drive
通过写入磁盘驱动器的空白区域和扇区之间
(d) By using higher density disk and RAM components
通过使用干密度的磁盘和RAM部件
1. Which of the following services are provided by the BIOS?
下列哪些服务由BIOS（Basic Input Output System）提供的？
•Orchestration of the initial boot process
原始的系统启动程序的编排
•Management of file creation and file deletion
文件的创建和删除管理
•Basic support for devices such as the keyboard
对设备的基本支持（例如：键盘）
(a) I and III
(b) II only
(c) I only
(d) I and II
2. Which of the following layers are contained within the software of an operating system?
操作系统软件包括下列哪些层
•Device drivers
驱动设备
•Kernel
内核
•BIOS
基本输入输出系统
(a) I and II only
(b) I, II, and III
(c) I and III only
(d) II only
3. How would users benefit if the computer industry agreed on a standard for interfacing device drivers to operating systems?
如果计算机产业有操作系统的设备驱动接口的标准，这样对用户有什么好处？
(a) All operating systems supporting the standard could use the same device driver.
所有支持这个标准的操作系统都可以用相同的设备驱动
(b) Device drivers would never have to be updated after they are installed.
设备驱动一旦安装就不需要再被更新
(c) Only one device driver would be needed to communicate with all devices.
只有一个设备驱动需要和所有设备通信
(d) Device drivers would require less software and take up less RAM.
设备驱动需要很少的软件支持并占用很少的随机存储器资源
4. How does the operating system support multiple applications running concurrently on a computer with a single CPU?
操作系统如何支持多个应用程序在单CPU上并发运行
(a) The operating system creates an environment for the simultaneous execution of applications.
操作系统为多应用程序的同时执行创建一个环境
(b) The operating system contains accounts for multiple users.
操作系统包含多用户的账号
(c) The operating system quickly switches the CPU back and forth between applications.
操作系统使CPU在多个应用程序之间来回切换
(d) The operating system continues to run at the same time input/output devices are running.
当输入/输出设备运行时，操作系统也同时继续运行
5. Which of the following steps are performed by the BIOS during the boot process?
在系统启动过程中，BIOS会执行下列哪些步骤
Locating a disk drive that has an operating system to be loaded
当有一个操作系统需要加载时，定位磁盘驱动
Loading the necessary device drivers needed by the operating system
载入操作系统需要的设备驱动
Loading into RAM the program to load the operating system
将载入操作系统的程序加载入RAM
(a) I, II, and III
(b) II and III only
(c) I and II only
(d) I and III only
6. Which of the layers of software that make up a computer system provides applications with direct access to the operating system?
下列软件的哪个层组成计算机系统，使应用程序能够直接访问操作系统
(a) Scripts 脚本
(b) The BIOS 基本输入输出单元
(c) Device drivers 设备驱动
(d) The API 应用程序编程接口
7. A computer has one floppy disk drive, labeled A, and two hard disks, labeled C and D.
Which of the following lists the drives in the order, first-to-last, that the BIOS would typically check during the boot process to find an operating system to load?
一台计算机有一个软盘驱动A，两个硬盘C和D
从前到后排序，当系统启动时BIOS一般会以什么顺序去查找加载操作系统
(a) A:, D:, C:
(b) D:, C:, A:
(c) A:, C:, D:
(d) C:, A:, D:
8. Which of the following are true about a context switch being performed by the operating system during multitasking?
当操作系统执行多任务时，下列哪个关于上下文切换的论述是正确的？
•It occurs whenever the CPU is switched to execute the instructions of a different task.
一旦CPU切换去执行不同任务的指令时，它就会发生
•It needs to save the CPU's registers for a process, so at a later time it can resume processing where it left off.
它需要为一个进程保存CPU的寄存器，以便在稍后可以恢复该进程
•In a system executing many tasks at once, it has little or no impact on system performance.
在系统同时执行多个任务时，它将不会影响或对系统性能有很小的影响
(a) I and III only
(b) I, II, and III
(c) I and II only
(d) II and III only
9. The file system of an operating system can easily work with files on diverse types of storage devices because
操作系统可以方便的处理不同存储类型的文件，这是由于
(a) storage devices perform the actual file management on their own media
实际的文件操作是由存储设备通过它们自己的方式执行的。