| A | B |
|---|
| binary | a numbering system that computers use; it uses only two digits: 1 and 0 |
| bit | the smallest and most basic amount of information that can be used by a computer |
| bug | an error in a computer's program (or software) |
| byte | a unit of storage in a computer equal to 8 bits |
| computer | a programmable, electronic device or machine that can save and read data from a storage area |
| computer science | the art of understanding and solving problems with computers |
| CPU | Central Processing Unit--the "heart" of the computer |
| data | information of any kind usable by a computer |
| database | a collection of information stored in a computer and designed for quick retrieval |
| debugging | the act of finding and correcting errors in a computer program |
| disk drive | a device that allows a removable disk to be inserted and read from or written to |
| file | a collection of related information stored and dealt with as a single unit |
| hard disk/hard drive/storage | a very large disk that is permanently mounted inside a computer's case, and is used to store everything...all programs, data, settings, etc. |
| hardware | the actual parts of a computer system: keyboard, disk drive, printer, monitor, etc. |
| information | data that is organized |
| input | data going into the computer |
| memory/RAM | Random Access Memory--the part of a computer's temporary storage. When the computer is turned off, everything in RAM is erased. |
| modem | a device that converts signals going to/coming from a cable TV system, telephone line, etc. |
| OS | Operating System: programs that control how the system runs. Ex. Windows, Mac OS |
| output | data or information coming out of or displayed by the computer |
| peripheral | an added device, such as a printer or modem that works with a computer |
| program/software | coded instruction and routines that tell a computer what to do and how to do it |
| spreadsheet | a program that organizes information into rows and columns |
| virus | a malicious computer program that infects a computer by attaching copies of itself into the programs or files stored on the hard drive |
| word processor | a program designed for creating, editing, and storing text documents, such as letters, notes, and reports. |
