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1、,机电技术专业英语,2,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
2、 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 aboutmaking people,
3、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
4、) Software: Software is another name for a program. A program consists of the stepbystep 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: key
5、board, 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 pa
6、y 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 weeks work.,Lesson Thirty,New Words and Expressions,Lesson Thirty,Notes,1. In large computer system, there are specialists who deal with writing pr
7、ocedures, 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, capturing在这里是并列成分。 2. One of the most exciting applications is multimedia, which allows users to integrate video, music, voice and graphics to create interact
8、ive presentations. 最让人兴奋的应用软件是多媒体软件，它可以使用户将电视、音乐、声音和图像整合并组成交互式展示形式。 which引导非限定性定于从句，修饰multimedia。allowto允许做 3. Memory, also knows as primary storage or random access memory (RAM), holds data and program instructions for processing the data. 内存，也被称为主存储器或随机存储器（RAM），它的作用是处理数据、存储数据和处理程序指令。,Lesson Thirty
9、,also know as primary storage or random access memory放置于2个逗号之间，在句中做插入语，句子主语是memory，谓语是holds。 4. Many microcomputers use a modem to convert electronic signals from the computer into electronic signals that can travel over a telephone line and onto the internet. 许多微机用调制解调器将电脑中的电子信号转化成电话线和网络可以接受的电子信号。
10、that引导限定性定语从句修饰electronic signals。,Lesson Thirty,Lesson Thirty,参考译文,信息系统由5个部分组成：人、程序、软件、硬件和数据。 当你在想到微机时，你可能只想到了设备本身。也就是说，你想到的是显示器或是键盘。其实，微机远不止这些。应该把微机作为信息系统的一个部分来考虑。信息系统由5个部分组成：人，程序，软件，硬件和数据。 （1） 人：把人看作信息系统5个部分之一，一点也不过分。因为微机可使操作者大大提高工作效率。 （2） 程序：人们使用软件、硬件和数据时可以遵循的规则或者指导方针。大多数情况下，这些程序都在产品说明书中备有指导说明。 （3） 软件：是程序的另一个名字。一个程序包括指导电脑工作的每一个步骤。软件的用途是将数据（未被加工过的事物）转化成信息（加工过的事物）。,信 息 系 统,Lesson Thirty,（4） 硬件：硬件所包含的设备有键盘、鼠标、显示器、系统单元和其他的设备。硬件受软件的控制，实际上就是处理数据并产生信息。 （5） 数据：数据由包括文本、数字、图像和声音的原始的、未被加工过的事物组成。把你的工作小时和工资等级比作原始数据，当数据被电脑处理之后，通常被称为信息，信息就好比是你一周工资的总额。,谢谢观赏,,Thank You !,
