| A | B |
|---|
| Applications software | Software written by professional programmers to perform a specific task |
| Base unit | Unit where the CPU, memory, and internal hard disk drive are housed. |
| Byte | Smallest unit of storage media. One byte can represent a single number or letter. |
| CD | Disc made of mylar with a reflective coating. |
| CD-ROM drive | Drive accessible from outside the base unit. |
| Client | A computer accessing the Internet. |
| Copyright | Protects a piece of work from reproduction without permission from the work's author. |
| CPU | Device which electronically controls the functions of a computer. |
| Desktop publishing | Using a PC to produce professional-looking publications. |
| Diskette | Sometimes called floppy disk. |
| GB (gigabyte) | Measurement of computer memory capacity. 2 30 bytes. |
| Hard disk | Made of aluminum coated with a magnetic material and permanently installed inside the hard drive. |
| Hardware | Physical devices that makeup the computer. |
| Inkjet printer | A printer that uses an ink cartridge to place very small dots of ink onto paper to create characters and graphics. |
| Input | Data used by the computer. |
| Internet | A worldwide network. |
| Internet service provider | A company that offers access to the Internet for a fee. |
| KB (kilobyte) | Measurement of computer memory capacity. 1024 bytes. |
| Keyboard | Device used for inputting data into a computer. |
| Laser printer | A printer that uses a beam of light and toner to generate characters and graphics on paper. |
| Local Area Network (LAN) | A network that interconnects computers within a local area. |
| MB (Megabyte) | Measurement of computer memory capacity. 1,048,576 bytes. |
| Memory | Electronic storage used by the computer. |
| Microcomputer | A computer that fits on a desktop and uses a microprocessor. |
| Microprocessor | CPU on a single chip. |
| Modem | Device that converts binary data into tones so computer data can be sent over telephone lines. |
| Monitor | Displays computer output. |
| Mouse | An input device from which the computer can accept information. |
| Netiquette | The manners that should be followed when using a network. |
| Network | Allows computers to exchange data and to share applications software and devices. |
| Network interface card | A circuit board that goes into the base unit of a computer for networking. |
| Online service | A company that offers access to the Internet as well as other services for a fee. |
| Operating system software | Software that runs automatically when the computer is turned on. |
| Output | Data produced by a computer program. |
| PC (Personal Computer) | A computer that fits on a desktop and uses a microprocessor. |
| Peripheral device | A device attached to a PC. |
| Read | Accessing data from a storage medium. |
| Scanner | Uses a beam of light to create a digital image from artwork. |
| Site | One or more Web pages relating to one topic, organization, or product. |
| Software | Instructions that tell the computer what to do. |
| Telecommunications | Transmitting and receiving computer data over telephone lines with the use of a modem. |
| Toner | A fine powder that when heated fuses to paper. |
| Web page | Information at a Web site that can include graphics, text, and links to other Web sites or pages. |
| Web site | A location on the WWW where information is presented in Web pages. |
| Wide Area Network (WAN) | A network that interconnects computers over a long distance. |
| World Wide Web | Computers on the Internet that transmit text, graphics, and sound using special software. |
| Write | Storing data on a storage medium. |
| Zip drive | Drive used to read and write data with a capacity of 100 MB each. |
