计算机专业英语教程第四版习题答案

计算机专业英语（第四版）课后习题答案

Unit 1

[Ex 1] 1. F 2. T 3. T 4. F 5. T 6. T 7. T 8. T 9. T 10. F [Ex 2] 1. input, storage, processing, and output 2. power; speed; memory

3. central processing unit

4. internal; primary; memory

5. keyboard; central processing unit; main memory; monitor

[Ex 3] A. 1. F 2. D 3. G 4. C 5. B 6. A 7. E 8. H

B. 1. user 2. monitor 3. data 4. keyboard 5. data processing

6. information

7. computer

8. memory

[Ex 4] 1. input device 2. screen, screen 3. manipulates 4. instructions 5. retrieve

6. code

7. hard copy

8. Function

[Ex. 5] 新处理器开始IT技术的新时代

New Processors Open New Era of IT Technologies Last week, Intel introduced to the public in Russia and other CIS countries a family of processors Intel Xeon E5-2600. They are more powerful and reliable and, importantly, are very economical in terms of energy consumption. Their presence opens a new era in the field of IT technologies and means that the cloud technology is getting closer.

These processors are primarily designed for servers, data centers (DPC) and supercomputers. The emergence of this class of devices is not accidental. According to the regional director of Intel in Russia and other CIS states Dmitri Konash who spoke at the event, the market of IT-technology is developing so rapidly that, according to forecasts, by 2015 there will be 15 billion devices connected to the Internet, and over 3 billion of active users.

上周，英特尔公司向俄罗斯和其它独联体国家的公众推出了英特尔Xeon

E5-2600系列处理器，它们更加强大可靠，尤其是在能量消耗方面更加经济实惠。它们的问世意味着IT技术领域开始了一个新时代，标志着云技术距离我们越来越近。

这些处理器主要是为服务器、数字处理中心和超级计算机设计的。这种处理

器的出现并非偶然。根据英特尔公司俄罗斯和其他独联体地区负责人Dmitri Konash就此事发表的看法，IT技术市场的发展速度极快，根据预测，到2015年与

英特网连接的设施将有150亿，用户超过30亿。

[Ex 6] 1. T 2. T 3. F 4. F 5. T 6. F 7. T 8. F

Unit 2

[Ex 1] 1. T 2. F 3. T 4. F 5. T 6. T 7. T 8. F

[Ex 2] 1. sizes, shapes, processing capabilities

2. supercomputers, mainframe computers, minicomputers, microcomputers

3. mainframe computer

4. microcomputers, storage locations

5. protables, laptop computers/notebook/palm-sized computer.

desktop workstations

6. semiconductor

7. CPU, memory, storage, devices, processing, users

8. microprocessor chip

[Ex 3] A. 1. C 2. A 3. H 4. I 5. E 6. F 7. G 8. B

B. 1. capacity 2. device 3. laptop computer 4. Portable

computers

5. Silicon

6. semiconductor

7. workstation

8. voltage

9. RAM 10. ROM

[Ex 4] 1. portable 2. access 3. main memory 4. sophisiticated programs

5. processing capability

6. instructions

7. computation

8. computer professional

[Ex 5] 平板电脑

Tablet Computer

A tablet computer, or simply tablet, is a one-piece, mobile version of a personal computer, primarily operated by touchscreen (the user's finger essentially functions as the mouse and cursor, removing the need for the physical [i.e., mouse & keyboard] hardware components necessary for a desktop or laptop computer; and, an onscreen, hideable virtual keyboard is integrated into the display). Available in a variety of sizes,