2.选词填空

 

Types of Comeputer   

 

Computer can be gnrlly clasied by size and power as fown tbough thee is considerable overlap among them.

 

A personal computer refers to a small, singl-user computer based on a micopecorwa keyboard for entering data, a monitor for displaying information, and a storage device forsaving data.

 

A minicomputer is a powerful, single-user computer, which, though looking like amicrocomputer, has a more powerful microprocessor and a higher- quality monitor.

 

A mainframe stands as a multi-user computer capable of supporting from 10 tohundreds of terminals or users simultaneously.

 

A workstation synonymous with giant", is the. name for a powerful multi-usercomputer which supports hundreds of thousands of users at the same time.

 

A Supercomputer describes an extremely fast computer that can perfom hundreds of,millions of instructions per second.

 

可选词：

 

Supercomputer　　 minicomputer　　mainframe　　workstation　　personal computer

 

3.将下面英语短语或句子翻译为中文

 

Personal Computer.　　个人电脑

 

This is a display. The display is on the system unit.　　这是一个显示器，显示器在系统单元上

 

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.

 

那是一台打印机，打印机由显示和系统单元组成。这是一个磁盘驱动器磁盘驱动器在系统单元中

 

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

 

这是键盘，那是鼠标，键盘和鼠标在系统单元和显示之间

 

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

 

那是个调制解调器，调制解调器也是有系统单元控制

 

They are basic hardware components of a personal computer system.

 

他们是个人计算机系统的基本硬件组件。