COMPUTER TERMS

3. Approximately 1 billion byte.
5. The set devices of the computer system that can be physically seen.
8. A measurement of the clarity of an image based on the number of pixel used to create the image.
9. The rules guiding the use of a command.
12. A pictorial symbol on computer screen that represents a choice of activity.
14. Output on paper from computer.
15. Means Binary digits. Is the smallest unit of a computer memory.
19. A dedicate device that incorporates all the parts of a processor on a single chip.
21. A computer professional who writes programs, or sets of instruction for each application, debugs, and then documents them.
22. A collection of web pages, normally on a single theme, on the Internet.
23. A manual device connected as to a video game, with a control lever that can be tilted in various directions to move the cursor or part of the display.
24. A device that; allows an image that already exists to be input to the computer so that it can be manipulated using special software.
25. A set of instruction for processing data.
27. disk A microcomputer storage device that can typically store between 10 and 100 or more million characters.
28. Black and white bars that we see on most books and consumer goods. They can be read by a Bar Code Reader or Light pen.

1. A wireless local network that uses radio waves to connect to the Internet.
2. A measurement of how much data can be sent along a communication channel at the same time.
4. Anyone who uses the computer.
6. A group of computers that are linked together so they can communicate with one another.
7. A monitor screen that can detect and respond to something, such as a finger or stylus, pressing on it.
10. A device that shows the output from a system in picture form; output is short –lived, unlike that from a printer
11. A types of non-impact printer that uses laser.
13. Device used to produced hard copy output from a computer, usually on paper.
16. Software designed to allow the input of text to a computer.
17. A printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted.
18. A device that Resembles typewriter keyboard: is the most common unit for entering data and for coding or using program instructions.
20. A code know only by the user that allows the computer to be sure of the identity of the person who is accessing information.
25. The smallest part of a computer graphic image; the pixel is so small that it cannot be seen.
26. One of the earliest known calculating devices on which rows of beads on wires are used to perform mathematical operations.
28. Act of starting a computer by loading part of the operating system.