2. Computer English Unit One Introduction of Computer Requirements: 了解计算机的类型 掌握计算机的发展历史 掌握计算机专业英语的特征

3. Section 1 Section 1 Types of Computers Classroom Design Section 2 Section 2 Computer Generations Section 3 Features of Computer English Section 3 Features of Computer English

4. Section 1 Types of ComputersTypes of Computers Lead In New Words & Expressions Instensive Study Exercises Back

5. Section 1 Types of Computers Lead In Questions for Understanding Computers: What is a computer? Can you describe it in your own words ? What are the most important component elements of a computer ?

6. Section 1 Types of Computers Lead In What is a computer? Can you describe it in your own words? A computer is a machine that manipulates information or “data”. You can use a computer to type documents, send email, and surf the Internet.You can also use it to handle spreadsheets, accounting, database management, presentations, games, sand desktop publishing. 电脑即用来处理信息或数据的机器。你可以实用电脑输入文档、 发送邮件或网上冲浪；也可以用它来处理电子数据表格、账目。 进行数据库管理、演示或用来玩游戏和进行桌面排版印刷。

7. Section 1 Types of Computers Lead In What are the most important component elements of a computer? The control device The storage device Input device Output device

8. Section 1 Types of Computers Lead In Related Words hardware monitor software mainboard floppy disk hard disk keyboard printer scanner

9. New Words prerecord[ ‘ pri:ri ’ k ɔ :d] 事先录音 transistor[tr æ n ‘ zist ə ] 晶体管 special purpose computer 专业计算机 general purpose computer 通用计算机 memory 存储器 retain 保留 input device 输入设备 conduit [ ‘ k ɔ ndit] 导管, 管道 central processing unit (CPU) 中央处理器

10. New Words bus 总线 transmit [tr æ nz ‘ mit] 传输, 转送, 传达 supercomputer 超级计算机 mainframe[ ‘ meinfreim] 大型机 minicomputer 小型 microcomputer 微型机 keep track of 明了 deposit 存款，押金

11. ee Instensive Study Read the passage carefully, and try to find: 1.Two basic categories of computers: 2. Hardware components required in all general-purpose computers: 3. Four types of computers according to the size:

12. ee Instensive Study 1.Two basic categories of computers: Special –purpose computers: General –purpose computers: To perform a specific task(injecting fuel, keeping time, programming) Can be adapted to perform any number of functions

13. ee Instensive Study 2. Hardware components required in all general-purpose computers: Memory Mass storage device Input device Output device Central processing unit (CPU)

14. ee Instensive Study 3. Four types of computers according to the size: Supercomputer Mainframes Minicomputer Microcomputer

15. 1.Special –purpose computers can be adapted to perform any number of functions. any number of functions. 2.Supercomputers are used for large projects such as national or gobal weather forecasting, satellite tracking,etc. or gobal weather forecasting, satellite tracking,etc. 3. Supercomputers usually have terminals connected to them. 4. Minicomputers are sometimes used in medium-size companies to run their manufacturing plants or keep track of inventories. run their manufacturing plants or keep track of inventories. 5. All general-purpose computers require the following hardware components:memory, mass storage device, input device, output device and CPU etc. Exercises 1. Describe whether each of the following statements is T or F according to the text: (F ) (T) (T) ( T )

16. 1. ______ dogs don’t always bite. A. Barked B. Barking C. Bark D. To bark A. Barked B. Barking C. Bark D. To bark 2. They sat on the top of the hill and watched the _____ sun. A. setting B. set C. sat D. seted A. setting B. set C. sat D. seted 3. The _____ team slowly left the field. A. defeat B. defeating C. being defeated D. defeated A. defeat B. defeating C. being defeated D. defeated 4. Many people of the world do not have _____ literature. A. write B. written C. wrote D. writing A. write B. written C. wrote D. writing 5. The _____ project was a great success. A. completed B.to be completed C. completing D. complete A. completed B.to be completed C. completing D. complete Exercises 2. Multiple Choice: A B D B A

17. (1) The clone was born. A clone is a copy of a machine. A machine, which can do precisely the same as the original. Some of the components(for example the hard disk) may be identical to the original. However, the Clone has another name(Compaq, Olivetti, etc.), or it has no name at all. This is the case with “the real clones.” Today, we differentiate between: Exercises 3. Reading: Translate the following into Chinese: 精确地 与... 相同... 也一样 区别, 差别

18. (2) Brand names, PCs from IBM, Compaq, AST, etc. Companies which are so big, so they develop their own hardware components. Clones, which are built from standard components. Anyone can make a clone. Clones, which are built from standard components. Anyone can make a clone. Exercises 3. Reading: Translate the following into Chinese: 商标名称 标准件

19. (1) What led to the PC’s success? (2) Where was the PC born? Exercises 3. Reading: Questions: