2024年5月7日发(作者：电脑无法正常启动修复)
Chapter 1 Introduction to Computers
计算机引论
1. When you hear the world computer, initially you many think of
those found in the workplace-the computers used to create
business letters, and other correspondence; calculate payroll;
track inventory; or generate invoices.
译文：当你一听说计算机这个词汇时，或许首先会想到工作场所的那
些计算机，用来制作商业信件、备忘录及相关文件，用来打印工作单、
管理库存和制作发票。
2. A storage device is used to record and retrieve data, instructions,
and information to and form a storage medium.
译文:存储设备用来存储媒体记录和检索数据、指令和信息。
3. Software, also called a computer program or simply a program, is
a series of instructions that tells the hardware of a computer what
to do.
译文：软件是一系列指令所构成的计算机程序，该程序告诉计算机硬
件应该做什么。
4.A utility program is a type of system software that perform a
specific task，usually related to managing a computer，its device，or
its programs.
译文：实用程序是一种系统软件，通常执行与管理计算机及其设备和
程序相关的特定任务。
4. Application software is available as packaged software，custom
software，shareware，freeware，and public-domain software.
译文：应用软件有套用装软件、定制软件、共享软件、自由软件和公
开软件。
5. Shareware is software that is distributed free for a trial period. If
you want to use a shareware program beyond that period of time，
you are expected to send a payment to the person or company that
developed the program.
译文：共享软件在一定的试用内是免费发布的。但如果超过了期限，
就得向开发该软件的个人或公司付费。
6. Public-domain software is free software that has been donated for
public use and has no copyright restrictions.
译文：公开软件是向公众捐赠的自由软件，没有版权限制。
7. Accessing sources of entertainment and leisure，such as online
games， magazine，and vacation planning guides.
译文：访问娱乐和休闲方面的资源，如在线游戏、在线杂志和在线和
度假计划向导。
8. A web site is a related collection of Web pages.
译文：网站是相关网页的集合。
9. The four major categories of computer are personal computer，
minicomputers，nuclear energy research，and petroleum
exploration.
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