| A | B |
| Acrobat | A product of Adobe System that produces hyperlinked files that can be displayed and printed from many computer operating systems. It produces hyperlinked files that can be displayed and pronted from many computer operating systems. |
| applet | Programs written in the Sun Microsystem Java Language. The programs contain the code to 'play' animations ro to present interactive applications. |
| Analog | refers to a signal that varies continuosly. It can refer to digital and circuit signals. |
| Android | a machine created to perform oneor more functions normally carried out by humans. Or (by Oxford English diction.)-'an automation resembling a human being,' i.e.cyborg, robot. |
| ANSI | American National Standards Institute-a US group that approves many US standards, including the standards for computers and for communications. |
| applications software | programs designed to support work or recreation functions. e.g word processors, spreadsheets, database managers and image editors. |
| Archie | a system that gathers, indexes and distributes information on the Internet. |
| Acrobat Files | have extensions of PDF (portable document format) |
| Digital signals | the other type of signal, are composed of discrete units. Modern computers, and new communication systems use it. |
| Digital circuits | easier to design and operate and nearly all easier to design and operate. |
| AI | a property of machines that,if achieved, mimics human thought processes. |