计算机英语实用教程Unit 10

Unit 10 Applications

【教学目的】

○ Learn about the English terms of Applications: boot，click，notebook，ASP，backup，CD-R，CD-RW and etc.

○ Improve the students’ ability to understand the long and difficult sentences in the text.

○ Master the key language points and grammatical structures in the text.

○ consolidate the technical terms and important professional phrases by doing exercises.

【教学重点难点】

○Important technical terms:

boot(启动)， click(点击)，notebook(笔记本电脑)，ASP(动态服务器主页)，backup(备份)，CD-R(可写光盘)，CD-RW(可改写光盘)，DVD(数字化视频光盘)，clipboard(剪贴板)，compression(压缩)，default setting(默认设置)，icon(图标)，password(密码)，virus(病毒)，MPEG (运动图像专家组)，OCR(光学字符识别软件)，extension(扩展名)，cookie(小甜饼)，applet(小Java程序)，DSL (数字用户线路)

○ Difficult sentences:

1. Usually used as a marketing term to describe a Web site that is or is intended to be the first place people see when using the Web.

2. A computer on the same network as an infected computer or that uses an infected disk (even a floppy) or that downloads and runs an infected program can itself become infected.

3. Note also that different platforms have different general levels of resistance; UNIX machines are almost immune, Win ’95 / ’98 / ME is quite vulnerable, and most others lie somewhere in between.

4. MPEG

A family of multimedia standards developed by the Motion Picture Experts Group, commonly used to refer to audio or visual files saved with MPEG compression schemes.

5. Encryption

A process that turns files into gobbledegook so that they cannot be read, other than by programs containing the appropriate password-protected encryption software.

6. Applets differ from full-fledged Java applications in that they are not allowed to access certain resources on the local computer, such as files and serial devices (modems, printers, etc.), and are prohibited from communicating with most other computers across a network.

7. A common configuration of DSL allows downloads at speeds of up to 1.544 megabits (not megabytes) per second, and uploads at speeds of 128