References > Glossary > Terms A - E
| Terms | Definitions |
| Active Matrix Display | Flat-screen liquid crystal display (LCD) the provides sharper contrast and faster screen refresh than passive displays. |
| Adapter Card | A circuit board in a computer that is used to transmit data from its memory to a device like a monitor. |
| Algorithm | Procedure for solving a problem, used mainly in programming. |
| Alphanumeric | Set of characters allowing both numbers and letter. |
| Applet | A Small self contained software program performing a specific task. |
| Attenuation | A decrease in the strength of a signal. |
| Authoring | The process of creating a software program. |
| BIOS | (Basic Input/Output System) The programs of the system forming the basic interface between PC hardware and software. |
| Backbone | Usually a main part of a telecommunications network that is used to carrying a large amount of traffic. |
| Backplane | A high speed communications card that iindividual card plug into. (Like a motherboard on a PC) |
| Bandwidth | The capacity a media can transmit. The range of frequencies a media can transmit. |
| Binary | The numbering system based on 0’s and 1’s used as the bases in digital electronics including computer. |
| Bit | One digit in a binary system | Bitmap | A type on computer graphic image |
| Byte | A unit representing eight bits or data or a single character. |
| C | A very flexible high level programming language |
| C++ | Object-oriented programming language based on C. |
| CPU | (Central Processing Unit) The CPU is the brains of a computer and includes the arithmetic logic unit, the control unit, and other important components. |
| Cache | A fast intermediate memory between a fast CPU and slower RAM memory. |
| Chat | Activity on the Internet and other on-line services in which people talk by typing messages to each other in real time. |
| Checksum | A method of error detection used in communications and data validation. |
| DOS | (Disk Operating System) A standard and old operating system. |
| DRAM (Dynamic RAM) | The memory where information is usually stored. The charge used to hold the information must be recharged periodically. |
| Data | Meaningful Information stored on a computer, disk, tape ... |
| Data Processing | Operation(s) performed on data to make it useable by someone. |
| Dial-Up | Connection made between computers using modems and phone lines. |
| Distributed Processing | The use of multiple computers working together to complete a large task. |
| EGA | (Enhanced Graphics Adapter ) An old style graphics adapter the comprises 640 x 400 pixels resolution |
| Electronic Cash (E-Cash) | The name of many ways to enable simple electronic transactions. |
| Encryption | The altering of data into a form that is unreadable by anybody except the sender and receiver. |
| Ethernet | A networking standard running at a maximum speed of 10 Mbps. Requires the use of T-connectors and terminators for proper operation. |
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