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1、Computer English,计算机英语,Unit 1 Introduction to Computer Science Lesson One Computer Introduction,计算机英语,Text One, Key points:,What is computer? What is a computers characteristic? Classification of the computer?, Difficult points:,How many generations the computer have? What is the characteristic of e
2、very generation?,计算机英语, Requirements: By the end of this lesson, you should be able to know What is Computer and its characteristic? Major characteristics of the four generations of modern computers. Basic characteristics of every generations computers.,计算机英语,Abstract: This text tells of the basic k
3、nowledge of a computer. It includes computers characteristic,classification. Key words: computer; hardware;generation classification; characteristic,计算机英语,automatically adv. 自动地 repetitive adj. 各自的 retrieve v. 恢复，补救 physical adj.物理的，自然的 auxiliary adj.辅助的，附加的，副的 n.补助物 main memory 主存 auxiliary memory
4、辅存 execute v.执行，实现 prerecord v.事先录音 microprocessor n.微处理器,New Words And Expressions,计算机英语,in addition to adv.除什么之外 monitor n. 显示器 simultaneously adv.同时地 technological adj.科技的 fundamentally adv.基础地，根本地 Vacuum tube 电子管 transistor 晶体管 cryptic adj.秘密的，神秘的 binary adj.二进位的 symbolic adj.象征的，符号的 semiconduct
5、or n.半导体 artificial intelligence 人工智能,计算机英语,NOTES,The two principal characteristics of a computer are: It responds to a specific set of instructions in a well-defined manner；It can execute a prerecorded list of instructions (a program). 关于计算机的两个基本的特点是：一是它以一种预先定 义好的方式对一系列特殊的指令作出反应；二是它执行 一系列预先定义记录好的指令
6、。（程序）,计算机英语,Text Two, Key points:,What is the use of the input device? Know about of some examples of input devices and their characteristics., Difficult points: division of different input devices,计算机英语, Requirements: By the end of this text, you should be able to know The use of the input device.
7、Some examples of input devices and their characteristic.,计算机英语,Abstract: This text tells of the input devices and its characteristic, then it tells some examples of input devices. Key words: input device; Keyboard ; Mouse ; Joystick; Digitizing tablet;Touch sensitive screen; Light screen; Barcode re
8、ader; Scanner ;Optical mark reader; Magnetic reader; Voice data entry,计算机英语,automatically adv. 自动地 repetitive adj. 各自的 retrieve v.恢复，补救 physical adj.物理的，自然的 auxiliary adj.辅助的，附加的，副的 n.补助物 main memory 主存 auxiliary memory 辅存 execute v.执行，实现 prerecord v.事先录音 microprocessor n.微处理器,New Words And Expressi
9、ons,计算机英语,in addition to adv.除什么之外 monitor n. 显示器 simultaneously adv.同时地 technological adj.科技的 fundamentally adv.基础地，根本地 Vacuum tube 电子管 transistor 晶体管 cryptic adj.秘密的，神秘的 binary adj.二进位的 symbolic adj.象征的，符号的 semiconductor n.半导体 artificial intelligence 人工智能,计算机英语,NOTES,Human speech is very complex,
10、involving emphasis and facial expressions, so complete voice recognition will not be developed for some time. 人类的语言非常复杂，设计强调和面部表情，因此， 完全的声音辨别有时不会被产生。,计算机英语,Text Three, Key points:,What is the processing, CPU and Memory Unit? The use of the processing ,CPU and Memory Unit., Difficult points: The CPU
11、Architecture; How does the CPU Work? What is Memory? The use of Memory. The types of memory.,计算机英语, Requirements: By the end of this text, you should be able to know The use of the processing ,CPU and Memory Unit. The CPU Architecture The CPU how to work The use and types of Memory,计算机英语,Abstract: T
12、his text tells of the CPU, its function, architecture and how to work. Then this text tells of the memory and its classification. Key words: processing; CPU ; Memory Unit; ALU; Control Unit ; Registers; Memory; RAM; ROM,计算机英语,motherboard n.母板，主板 circuit n.电路 nervous adj.中枢神经的 core n.中心，核心 roughly adv.概略地，粗糙地 postage n.邮资
