Lesson 21.3 What Is a Computer--BasedInformation System授课班级：教育技术系2009级本科
1.3 What Is a Computer—Based Information System 授课班级:教育技术系 2009级本科 Lesson 2
(1) Six Elements of a Computer-Based Information SystemThe six elements of a computer-basedinformation system are hardware, software,data/information, people, procedures,communications.Hardware means simply the physical equipment .thehardware can not be use until it is connected to other elementsSoftware is the term used to describe the instructions that tellthe hardware how to perform a task .Without software , thehardwareisuseless
(1) Six Elements of a Computer— Based Information System • The six elements of a computer—based information system are hardware, software, data/information, people, procedures, communications . Hardware means simply the physical equipment .the hardware can not be use until it is connected to other elements. Software is the term used to describe the instructions that tell the hardware how to perform a task .Without software , the hardware is useless
. Data consists of the raw facts and figures that areprocessed into information.Information is summarized data or otherwisemanipulated data.People operate the computer hardware , they createand use the computer software , and they face ethicalissues and decisions regarding the use of informationtechnology . they enter the data and use theinformation the system generates .They also followcertain procedures when using the hardware andsoftware
• Data consists of the raw facts and figures that are processed into information. • Information is summarized data or otherwise manipulated data. • People operate the computer hardware , they create and use the computer software , and they face ethical issues and decisions regarding the use of information technology . they enter the data and use the information the system generates .They also follow certain procedures when using the hardware and software
description:［dis'kripjan］n.描写,描述accomplish:[a‘komplir】v.完成documentation:[.dokjumen' teifon] n.文件manual:［‘maenjual］a.手工的,体力的n.手册,指南reference：‘refrons］n.参考,出处,参照guide:【gaid］n.引导者,指南v.指导,支配guideline:「‘gaidlain］n.指引l，大纲
description: [ dis‘kripʃən ] n. 描写,描述 accomplish: [ ə‘kɔmpliʃ ] v. 完成 documentation: [ .dɔkjumen’teiʃən ] n. 文件 manual: [ ‘mænjuəl ] a. 手工的,体力的 n. 手册,指南 reference: [ ‘refrəns ] n. 参考,出处,参照 guide: [ gaid ] n. 引导者,指南v. 指导,支配 guideline: [ ‘gaidlain ] n. 指引, 大纲
Procedures are descriptions of how thingsare done ,steps for accomplishing a result.procedures for computer systems appear indocumentation manuals ,also known asreference manuals and user guides ,whichcontain instructions , rules ,and guidelines tofollow when using hardware and software计算机系统的程序出现在文件手册中，文件手册也被称为参考手册和用户指南，在文件手册和用户指南中包含使用计算机硬件和软件时的说明书，规则和指南
Procedures are descriptions of how things are done ,steps for accomplishing a result. procedures for computer systems appear in documentation manuals ,also known as reference manuals and user guides ,which contain instructions , rules ,and guidelines to follow when using hardware and software. • 计算机系统的程序出现在文件手册中，文件手册也被称为参 考手册和用户指南，在文件手册和用户指南中包含使用计算 机硬件和软件时的说明书,规则和指南