Computer Terminology

2. computer memory on which data has been prerecorded.
4. a set of lines of different thicknesses that represent a number
6. is sort of like an upside-down mouse, with the ball located on top
7. the place in a computer where the operating system, application programs, and data in current use are kept so that they can be quickly reached by the computer's processor.
11. consists of an electronic writing area and a special “pen” that works with it
12. printers use small electromagnetically activated pins in the print head, and an inked ribbon, to produce images by impact
15. camera can store many more pictures than an ordinary camera
17. display usually uses an LCD (Liquid Crystal Display) screen to display output from the computer
19. the most common type of printer for home systems
20. used to print graphical output on paper

1. It is a text base input device that allows the user to input alphabets, numbers and other characters
3. is a term describing computer output that includes sound, text, graphics, movies, and animation
5. an output device that resembles the television screen and uses a Cathode Ray Tube (CRT) to display information
8. is a system designed to transmit information between electronic musical instruments
9. generally used for playing games, and not for controlling the on-screen cursor in productivity software
10. produces good quality images by the same technology that photocopiers use
13. a mouse does not use a rolling ball
14. an input device used for direct data entry from the source document into the computer system
16. the ability of the computer to output sound
18. a pen shaped device used to select objects on a display screen