在过去的几十年间，信息技术有了巨大的发展，并且影响着我们每天的生活。复杂的软件系统已经成为许多领域的关键，如银行，通信，制造业，电力，交通等。随着计算机科学的进步和工业生产经验的积累，导致软件工程作为一个独立的标准出现。软件工程规范已经被定义为“应用系统的、规范的、量化的方法开发、操作和维护软件。”也就是说，使用工程的方法开发软件。
1.超文本；2.宽带；3.浏览器；4.集线器；5.调试；
4. An input device used in computer games for controlling the cursor or some other symbol in its movement around a screen.
5. The software used to view, manage, and access web pages by interpreting hypertext and hyperlink.
6. The basic for creating web pages and sites, the simple coding system made up of “tags”.
7. A space empty of matter.
8. A set of instructions in a computer that changes a computer language known to the computer user into the form needed by the computer.
9. A data stucuture in which memory is allocated as a series of numberred cells.
10. An unformatted text file that contains one or more MS-DOS commands and is assigned a BAT extension.
11. A program designed to be executed from within another application.
12. A generic term for different types of computer system.
13. A remote computer connected to a host or server computer.
14.A concept that when a class of objects is defined, any subclass that is defined can inherit the definitions of one or more general classes.
15. A program that looks for documents that contain specific words or phrases.
