| A | B |
|---|
| Computer | machinery that accepts, processes and presents data. |
| Computer System | includes hardware, software, people and data. |
| Hardware | is machinery. |
| Input Devices | used to get info into the computer. |
| Output Devices | presents info to the user. |
| Processing Devices | Brains of the computer. |
| Storage Devices | Disk. |
| Communication Devices | lets the computer tade info with other computers. |
| Application Software | is what you use to get things done. |
| System Software | set of basic instructions that run the computer. |
| Data | raw facts. |
| Files | saved data. |
| user | person using the computer. |
| micro-computer | general all purpose computer. |
| mainframe | is a large computer capable of serving the needs of hundreds at one time. |
| network | a group of computers connected through wire or cable. |
| Network advantages | shared resources including programs, files and hardware devices. |
| cursor | point on the screen where text or numbers are being entered. |
| scanner | any device that can read a printed image. |
| dot matrix printer | contains a set of pins which press against ribbon to make the image. |
| ink jet printer | tiny jets shoot fine drops of ink at the paper. |
| laser printer | works like a photocopier. |
