| A | B |
| systems development | The activity or process of creating new or modifying existing computer systems. |
| technology | Tools, materials, and processes that help solve human problems. |
| telecommunications | Communications that take place electronically over a distance. |
| WiFi | A popular wireless networking standard that connects computers to other computers, computer networks, and the Internet. |
| wireless networking | Networking that uses radio signals rather than cables to connect computers and digital devices to computer networks and often through those networks to the Internet. |
| World Wide Web | An Internet service that provides convenient access to information through hyperlinks. |
| binary number system | A number system that uses only two values, 0 and 1, and is used by computers and digital devices to represent and process data. |
| Rewritable CD | a CD that can be rewritten numerous times just as you would a hard drive. |
| central processing unit | A group of integrated circuits that work together to perform the processing in a computer system. |
| compact disc | Optical media that stores up to 700 MB of data . |
| control unit | Part of the CPU that accesses and decodes program instructions, and coordinates the flow of data among various system components. |
| digital convergence | The trend to merge multiple digital services into one device. |
| digital video disc | Optical media that stores over 4.7 GB of data. |
| display resolution | A measure, in width by height, of the number of pixels on the screen. |
| flash drive | A small flash memory module, about the size of your thumb or smaller, that conveniently plugs into the USB port of a PC or other digital electronics device to provide convenient, portable, high-capacity storage. |
| flash memory | Form of solid state storage that updates (flashes) the data it holds in large blocks. |
| game controller | Used to control game characters and objects. |
| gigahertz | Billions of cycles per second. |
| input device | Assists in capturing and entering raw data into the computer system. |
| integrated circuit | Also called chips; multiple transistors integrated into a single module used to store and process bits and bytes in today’s computers. |