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