Crossword 21

3. (Processor) A computer system or program for setting, editing, revising, correcting, storing, and printing text.
6. The operating system, such as UNIX, Macintosh, Windows, on which a computer is based.
8. A video display terminal.
10. Any external device attached to a computer to enhance operation. Examples include external hard drive, scanner, printer, speakers, keyboard, mouse, trackball, stylus and tablet, and joystick.
12. Software programs that combine text and graphics with sound, video, and animation. A multimedia PC contains the hardware to support these capabilities.
13. A theoretical measure of a computer's speed and can be expressed as a thousand-trillion floating-point operations per second.
14. It routes data between networks using IP address.
15. The most important software that runs on the computer, which managers the computer memory anв processes.
16. Programming ……. is a series of instructions written by a programmer according to a given set of rules or conventions (syntax).
19. A small hand-held device, similar to a trackball, used to control the position of the cursor on the video display.
20. A video camera/computer setup that takes live images and sends them to a Web browser.
21. A virus
22. An unauthorized piece of computer code attached to a computer program that can destroy information stored on the computer.

1. A device that connects two computers together over a telephone or cable line by converting the computer's data into an audio signal. It is a contraction for the process it performs : modulate-demodulate.
2. A type of software that allows to perform specific tasks.
3. Wireless Internet connection.
4. Any type of software that is designed to damage your computer.
5. Audio-visual software that allows movie-delivery via the Internet and e-mail. Its images are viewed on a monitor.
7. A word meaning quality of the image.
9. Data that come out of a computer device.
10. A measure of memory or storage capacity and is approximately a thousand terabytes.
11. A network of servers on the Internet that use hypertext-linked databases and files. It was developed in 1989 by Tim Berners-Lee, a British computer scientist, and is now the primary platform of the Internet.
13. A precise series of instructions written in a computer language that tells the computer what to do and how to do it. They are also called software or applications.
17. A system of interconnected computers.
18. A hand-held computer.