Exercises（练习）

1.Match the explanations in Column B with words and expressions in Column A.（搭配每组中意义相同的词或短语）

2.Choose the proper words to fill in the blanks.（选词填空）

Types of Computer

Computer can be generally classified by size and power as following, though there is considerable overlap among them.

A_________refers to a small, single-user computer based on a microprocessor, with a keyboard for entering data, a monitor for displaying information, and a storage device for saving data.

A_________is a powerful, single-user computer, which, though looking like a microcomputer, has a more powerful microprocessor and a higher-quality monitor.

A_________stands as a multi-user computer capable of supporting from 10 to hundreds of terminals（终端）or users simultaneously（同时地）.

A_________, synonymous with “giant”, is the name for a powerful multi-user computer which supports hundreds of thousands of users at the same time.

A_________describes an extremely fast computer that can perform hundreds of millions of instructions per second.

3.Translate the following English phrases or sentences into Chinese.（将下面英语短语或句子翻译为中文）

Personal Computer.

This is a display. The display is on the system unit.

That is a printer. The printer is by the display and system unit.

This is a disk drive. The disk drive is in the system unit.

This is a keyboard, and that is a mouse. The keyboard and mouse are before the system unit and display.

That is a modem. The modem is by the system unit, too.

They are basic hardware components of a personal computer system.

4.实践作业：到当地电脑城了解计算机硬件的最新动态和报价。