|
|||||||||||||||
![]() |
![]() |
||||||||||||||
|
北京教育学院东城分院外语教研室 主讲: 谢宇鸿 |
|||||||||||||||
|
|
Unit 1Fundamental
Computer Knowledge 计算机基础知识 第一讲 1.
A computer is made up of three main parts: a keyboard, a monitor, and
the computer unit. 计算机主要有三部分组成:键盘、显示器、和主机。 2.
These characters C:\> are the MS-Dos (Microsoft disk operating
system) prompt. C:\> 这几个字符是微软磁盘操作系统提示符。 3.
A computer does three types of work: input, processing, and output.
计算机做三种工作:输入、处理、
和输出。 4.A computer system is composed of software (computer programs) and 计算机系统是由软件(
计算机程序)和硬件组成的。 5. A standard keyboard for an IBM PC computer has
just over 100 keys. 一台机IBM PC的标准键盘有100多个键。 For examples: 例如: Alt (alternate) 交替
、变更 Backspace
回退、
退格 Break中断 Caps
Lock
大写锁定 Ctrl ( control) 控制 Del (delete) 删除 End结束 Enter回车键 Esc (escape)退出 F, F2... F12 (function) 功能键 Home 出发点 Ins (insert) 插入 Num Lock (numeric lock) 数字锁定 PgDn (page down) 换下一页 PgUp (page up)Print Screen 换上一页 Scroll Lock
滚动锁定 Shift
变换 Sys Rq (system request) 系统请求 Tab (table) 制表符 6. Enter
First type a command then press “Enter” to ask the computer to 先击一个命令,
然后击 “Enter”键要计算机执行。 7. Esc
“Esc” lets you cancel a command. “Esc”
键让你取消一条命令。 8.
Shift
The shift key shifts the key from small letters to big letters.
“Shift” 键能把小写字母变成大写字母。 9. The keyboard is the computer’s main input
device. The mouse is also a type of input device. 键盘是计算机的主要输入设备。鼠标也是一种输入设备。 10. The computer unit contains the computer’s
microprocessor, its memory, and the chips and circuitry.
主机里包括计算机处理器。 |
||||||||||||||