(计算机英语实用教程课后题参考答案

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) CPU2) 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) motherbosard3) A unit of a computer that preserves data for retrieval.3) memory4) 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) mouse5) A set of keys, as on a computer terminal, word processor, typewriter.5) keyboard6) A connection point for a peripheral device.6) port7) A machine code telling a computer to perform a particular operation.7) instruction8) The information or image displayed at a given time on a monitor, display, or video terminal:8) screen9) 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) keypad10) 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