机电技术专业英语 教学课件 作者 徐起贺 张庆良pata a lesson Thirty.pptVIP

* 机电技术专业英语 Lesson Thirty Text All information system has five parts: people, procedures, software, hardware and data. When you think of a microcomputer, perhaps you think of just the equipment itself. That is, you think of the monitor or the keyboard. There is more to it than that. The way to think about a microcomputer is as part of an information system. An information system has five parts: people, procedures, software, hardware and data. (1) People: It is easy to overlook people as one of the five parts of a microcomputer system. Yet that is what microcomputer are all about—making people, and users like yourself, more productive. Information Systems Lesson Thirty (2) Procedures: Procedures are rules or guidelines for people to follow when using software, hardware, and data. Typically, these procedures are documented in the manuals in manufactures which provide with their products. (3) Software: Software is another name for a program. A program consists of the stepbystep instructions that tell the computer how to do its work. The purpose of software is to convert data (unprocessed data) into information (processed facts). (4) Hardware: The hardware consists of the equipment: keyboard, mouse, monitor, system unit, and other devices. Hardware is controlled by software. It actually processes the data to create information. (5) Data: Data consists of the raw, unprocessed fact, including text, numbers, images, and sounds. Examples of raw facts are the hours you work and your pay rate. After data is processed through the computer, it is usually called information. An example of such information is the total wages owed you for a week’s work. Lesson Thirty New Words and Expressions Lesson Thirty Notes 1. In large computer system, there are specialists who deal with writing procedures, developing software and capturing data. 在大型计算机系统中，有专门从事编写程序的专家、开发软件的专家和捕获数据的专家。 deal with的含义是从事，with是介词，后加名词成分。writing, developing, capturin