计算机专业英语章节1节.pptVIP

中国高职院校计算机教育课程体系规划教材 计 算 机 专 业 英 语 张洪颖 主 编 Computer Hardware What can I do?? Background: Richard and Jim were classmates in high school and they are also very good friends. Now Richard is majoring in computer science in a university while Jim majors in business trade. Jim wants to buy a computer, but he knows little about it, so he wants Richard to introduce him something about computer hardware. They talked about this on the phone before and made this appointment. Computer Hardware What is a computer? What is the hardware and software? How many categories can computer hardware be divided into? Computer Hardware A computer is a fast and accurate system 主句 【that is organized to accept, store and 定语从句 process data, and produce results under the direction of a stored program】. 译文：计算机是快速而精准的系统，它用来接收、存储和处理数据，并在已存储程序的指引下输出结果 Computer Hardware The following figure shows the basic organization of a computer system. Computer Hardware Hardware is the physical part of the system 【that can be seen and touched】 定语从句 while software refers to programs 【that 定从 control the operation of the hardware】. 译文：硬件是系统的物理部件，是看得见摸得着的，软件是指控制硬件操作的程序。 Computer Hardware Computer hardware can be divided into four categories: CPU, storage devices, input devices and output devices. 译文：计算机硬件可以分为四个部分：中央处理器，存储设备，输入和输出设备。 Contents 1.1 Input and Output Devices Do you know the input devices? 1.1 Input and Output Devices Input Devices 1. To serve different application purposes, input devices can be classified into four types: letter input devices, pointing input devices, scanning