Input/Output Hardware

4. A set of keys usually arranged in tiers, for operating a typewriter, typesetting machine, computer terminal, etc..
5. camera A camera that records images in digital form.
7. A small sized pointing device used for moving the curser, selecting, activation, and changing items on a computer screen.
8. A device that takes optical images and makes it into an electronic image represented as binary data.
11. Equipment that connects to a computer and transfers data out of the computer to a printer, display screen, loudspeaker or storage device.
12. A computer input device for controlling the pointer on a display screen by rotating a ball set inside of a case.
13. An output device that produces a graphical representation by drawing on paper with one or more attatched pens.
14. Used to control movement of a cursor or other graphic element for video games and computer graphics.
15. A hand-held light-sensitive device used for pointing at characters or objects on a CRT.

1. A kind of ink-jet printer.
2. A high speed printer that uses lasers to form images, graphics, symbols, etc..
3. An electronic device that is used to transmit data to or from a computer via communication lines.
6. Used to make speech or music audible, and is usually plugged into a device.
9. A screen that allows users to make commands by touching it.
10. A device used for observing, detecting, or recording the operation of a machine or system.