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Computer Glossary - A

ActiveX
ActiveX is technology used for developing reusable object oriented software components in Microsoft applications

Adware
Adware or advertising-supported software is any software package which automatically plays, displays, or downloads advertising material to a computer after the software is installed on it or while the application is being used.

Alexa Toolbar
The Alexa Toolbar, an application produced by Alexa Internet, is a Browser Helper Object for Internet Explorer on Microsoft Windows that is used by Alexa to measure website statistics.

Applet
A small Java application that is downloaded by by a Java enabled web browser. Once it has been downloaded, the applet will run on the user's computer. Common applets include drawing programs, calculators and games.

Application
Computer software that performs a task or set of tasks, such as word processing or drawing. Applications are commonly referrer to as programs.

ASCII
American Standard Code for Information Interchange, an encoding system for converting keyboard characters and instructions into the binary number code that the computer understands.