IT职业英语翻译答案.docVIP

IT职业英语答案 姓名： 丁志均 班级： 软件0801Unit one 2. Questions for Discussion 1. A CPU is a control center that converts data input to information output, and it is a highly complex, extensive set of electronic circuitry that executes stored program instructions. It consists of two parts: the control unit and the arithmetic/logic unit. 2. Because like an orchestra conductor not playing any musical instrument, a CU does not execute program instructions itself, it just directs other parts of the system to do so. 3. The ALU executes all arithmetic and logical operations. There are four kinds of arithmetic operations: addition, subtraction, multiplication, and division. A logical operation is usually a comparison. The ALU can compare numbers, letters, or special characters. 3. Translation 1. 控制器是控制数据流通过处理器的电路，同时它还协调处理器中其他单元活动。 2. 在个人电脑和小型工作站上，中央处理器被安置在一个名为微处理器的单个芯片上。 3. 现代中央处理器体积小，呈正方形，并在底部嵌有多个金属连接头或金属针。 4. 中央处理器被针面向下直接插在主板的中央处理器插槽中。 5. 英特尔公司是世界上最大的半导体公司，也是个人电脑上最普遍应用的x86系列微处理器的发明者。 Text B Vocabulary 1. d 2. f 3. h 4. b 5. c 6. a 7. k 8. e 9. j 10. g 11. i Class Activities True or False T2. F3. T4. F5. T Unit Two Questions for Discussion 1. A Hard Drive consists of a metal platter which spins very fast. As it spins, the Hard Drive head moves along the platter and can read and write information. The Hard Drive is used for long term and large amounts of storage. 2. Because RAM works faster than Hard Drive. When the computer loads file from Hard Drive, it makes a copy of the information from the Hard Drive and places it in RAM, so that when the information is needed, it can be taken out immediately. 3. They are both necessary forms of storage. 4. Hard Drive is used for long-term and large amounts of storage. Information on the Hard Drive is magnetically encoded, so when the computer is turned off, the information won’t be lost. The Hard Drive is relatively cheap, but it is slow. Compared with