| A | B |
|---|
| Computer | An electronic device that is programme |
| Mouse | Input device |
| Printer | output device |
| Dot Matrix Pinter | Actually strikes paper. Uses pins to hit ribbon to make characters on paper. |
| Data | Raw facts entered into a computer. |
| Information | The result of data processing. |
| Computer Program | A list of instructions written in a special language that the computer understands. It tells the computer which operations to perform and in what sequence to perform them. |
| Program | Since a computer cannot solve problems on its own it must be provided with instructions in the form of a computer program. |
| Bar Code Reader | Reads lines printed on a product that represents data. The lines are called the UPC-Universal Product Code |
| Scanner | Device that lets you input text or other images into a computer memory. |
| Track ball | A stationary mouse. |
| Computer System | The computer all the items (peripherals) attached to it. |
| keyboard | Most common type of input device, all have four main parts.Typewriter Keys Function Keys Functional Keys Numerical Keys |
| Laser Printer | User toner and laser light to create a printed copy. |
| bit | binary digit |
| byte | 8 bits |
| kilo byte | 1,000 bytes |
| pixel | picture element |
| Light pen | pointing device shaped like a pen. Used to select areas on the screen |
| Monochrome Monitor | Produces only a two color display. Usually green letters on a black background. |
