Computer Glossary Set – 1

1. Active Cell

The Cell in MS Excel with Dark boundary is called the active cell.

2.ADSLAsymmetric digital subscriber line (ADSL)

It is a type of digital subscriber line (DSL) broadband technology that is used to connect to the Internet. It uses standard telephone lines to deliver high-speed data communications (up to 24 megabytes per second).

3. ADF  – Automatic Document Feeder.

An ADF is used in copiers and scanners to feed pages into the machine. It allows multiple pages to be copied or scanned at one time without the need to place each individual page in the copier or scanner.

4. Application Software 

It is designed to perform some specific applications Such as Word processing,graphics etc

5. AGP – Accelerated Graphics Port 

AGP cards will typically have better performance per MB of VRAM than PCI graphics cards.


This a Java program that can be embedded in a Web page. The difference between a standard Java application and a Java applet is that an applet can’t access system resources on the local computer. System files and serial devices (modems, printers, scanners, etc.) cannot be called or used by the applet.

7. ARP – Address Resolution Protocol.

ARP is a Protocol used for mapping an IP Address to a computer connected to a local network LAN.

8. ASCII American Standard Code for Information Interchange.

ASCII is the universal standard for the numerical codes computers use to represent all upper and lower-case letters, numbers, and punctuation.


ASP.NET is a set of Web development tools offered by Microsoft. Programs like Visual Studio .NET and Visual Web Developer allow Web developers to create dynamic websites using a visual interface.

10. ATA – Advanced Technology Attachment.

It is a type of disk drive that integrates the drive controller directly on the drive itself. Computers can use ATA hard drives without a specific controller to support the drive.