课后  参考答案
unit 1
〖Ex. 1〗根据课文内容，回答以下问题：
1) It is primarily responsible for executing instructions.
2) Through the monitor.
3) All processors, memory modules, plug-in cards, daughterboards, or peripheral devices can be plugged in those sockets.
4) The binary system is used.
5) Through clever formatting.
6) They are similar to each other. ROM only cannot be altered and does not lose its contents when power is removed.
7)  “Mouses”
8) Floppy disks can be removed from their drives and hard disks can’t.
9) Because it is faster than many types of parallel port.
10) I/O Port.
〖Ex. 2〗根据下面的英文解释，写出相应的英文词汇（使用学过的单词、词组或缩略语）
英  文  解  释
词  汇
1) A processor whose elements have been miniaturized into one or a few integrated circuits. It is usually used in PC.
1) CPU
2) The main board of a computer, usually containing the circuitry for the central processing unit, keyboard, and monitor and often having slots for accepting additional circuitry.
2) motherbosard
3) A unit of a computer that preserves data for retrieval.
3) memory
4) A hand-held, button-activated input device that when rolled along a flat surface directs an indicator to move correspondingly about a computer screen, allowing the operator to move the indicator freely, as to select operations or manipulate text or graphics.
4) mouse
5) A set of keys, as on a computer terminal, word processor, typewriter.
5) keyboard
6) A connection point for a peripheral device.
6) port
7) A machine code telling a computer to perform a particular operation.
7) instruction
8) The information or image displayed at a given time on a monitor, display, or video terminal:
8) screen
9) An input device, sometimes part of a standard typewriter keyboard, consisting of a separate grid of numerical and function keys arranged for efficient data entry.
9) keypad
10) Information put into a communications system for transmission or into a computer system for processing.
10) input
〖Ex. 3〗把下列句子翻译为中文：
1）绝大部分计算机上键盘是主要的文本输入设备。
2）最常见的鼠标器顶部有两个按钮，左按钮是用得最多的。
3）Win 95 和其它操作系统让用户可以调节鼠标器的灵敏度。
4）有些系统向用户提供几种不同的光标显示方式供选择。
5）有些人用鼠标垫子提高鼠标球滚动的摩擦力。
6）右边第二个按钮通常提供一些不太常用的功能。
7）有些鼠标器厂家也为左撇子提供适用的鼠标驱动程序。
8）如今鼠标器是任何个人计算机用户图形界面不可分割的一部分。
9）键盘也包括某些标准功能键。
10）IBM兼容机为商用机（也可用于家庭）
〖Ex. 4〗把下列短文翻译成中文
    系统前面板和普通键盘有专门控制键，用户可以使用这些控制键实现主要的多媒体功能：观相片、听音乐和看电影。前面板还有为看电视和阅读电视指南而设的快速启动按钮。
〖Ex. 6〗将左栏和右栏的单词匹配构成复合单词后再将其翻译成中文：
Column A
Column B
Chinese meaning of compound word
daughter
writer
daughterboard  子板
soft
what
software        软件
plug
form
plug-in        插件
key
related
keyboard      键盘
type
in
typewriter      打字机
plat
pad
platform        平台
some
ware
somewhat      有一点儿（表示程度）
math
put
math-related    与数学相关的
key
board
kypad          数字小键盘
in
board
input          输入
〖Ex. 7〗用名词做宾语将下面汉语译成英语
1. The order of access to different locations does not affect the speed of access.
2. We typically/usually store data in Ram. (or Data is typically/usually stored in Ram.)
3. The mouse can control a pointer on the screen.
4. Some keyboards have independent shift lock and caps lock keys.
〖Ex. 8〗用that从句做宾语将下面汉语译成英语
1. You should know that you can not only read data from the disk but also write new information to it.
2. You should realize that floppies do not hold too much data.
3. Our computer teacher said that USB is much slower than Firewire.
4. I think/believe that the CPU is primarily responsible for executing instructions.
〖Ex. 9〗用疑问连词引出的从句充当宾语翻译下列各句。
1. Please say what the monitor does.
2. I wonder (want to know) why the memory can produce arbitrary rational numbers.
3. I don’t know whether all the disks can be removed from their drives or not.
4. Can you suggest where I can buy a U disk?
〖Ex. 10〗根据文章所提供的信息判断正误
1. (F)  2. (F)  3. (T)  4. (T)  5. (F)  6. (F)  7. (T)  8. (T)  9. (T)  10. (T) 
11. (F)  12. (T)  13. (F)  14. (T)
unit 2
〖Ex. 1〗根据课文内容，回答以下问题：
1) Some drives are not capable of having new data written to them, such as CD-ROM or DVD-ROMs.
2）The signals or power is transmitted along the bus.
3）The are meant to perform user-defined tasks.
4）Yes, it can also demodulate analog signals and converts them to digital signals.
5）Using PCI, a computer can support both new PCI (32 bit) cards while continuing to support Industry Standard Architecture (ISA) expansion cards (16 bit).
6) To promote standards for a credit card-size memory or I/O device that would fit into a notebook or laptop computer.
7) “P & P” refers to such devices that you plug into a computer and the operating system can recognize automatically.
8) It allows PC to communicate with peripheral hardware such as disk drives, tape drives,
printers, scanners etc., much faster than previous interfaces.
9) CD-ROM can store large amounts of information.
10) Because it stores the computer's operating system, files, programs and documents.
11) It sends the images to the monitor.
12) Inkjets and bubble jets can.
13) Graphic intensive users will.
modulate14) It cannot reproduce music, sounds and voices.
15) BIOS or CMOS.
〖Ex. 2〗根据下面的英文解释，写出相应的英文词汇（使用学过的单词、词组或缩略语）
英  文  解  释
词  汇
1) A device that reads data from and writes data onto a storage medium, such as a floppy disk.
1) drive
2) The part of a system that produces printed matter.
2) printer
3) Numerical or other information represented in a form suitable for processing by computer.
3) data
4) To vary the frequency, amplitude（振幅）, phase, or other characteristic of (electromagnetic waves).
4) modulate
5) An integrated circuit that contains the entire central processing unit of a computer on a single chip.
5) microprocessor
6) a criterion.
6) standard
7) The point of interaction or communication between a computer and any other entity, such as a printer or human operator.
7) interface
8) An activity providing entertainment or amusement; a pastime:
8) game
9) Circular regions a disk is divided into
9) tracks
10) The combination of equipment needed to run a computer system
10) configuration
〖Ex. 3〗把下列句子翻译为中文：

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