Across
- 2. control the coursor on the screen
- 4. group of compouters connected to share information
- 8. a technology standard used to enable short-range wireless communication between electronic devices
- 11. loud sounds
- 12. enter text number and symbols
- 16. waves a type of electromagnetic radiation
- 17. protect internal parts of the computer
- 19. the machines, wiring, and other physical components of a computer or other electronic system
- 20. wide are network
Down
- 1. operating system
- 3. a set of instructions, data or programs used to operate computers and execute specific tasks
- 5. a part of an electrical circuit designed to produce a particular amount of resistance to the flow of current
- 6. is the main printed circuit board (PCB) in a computer
- 7. a secret word or phrase that must be used to gain admission to something
- 9. in to enter identifying data, as a name or password, into a multiuser system, so as to be able to do work with the system.
- 10. it detects motion in wheels it is used in cars
- 13. th number of waves that passed
- 14. a machine for printing text or pictures onto paper, especially one linked to a computer.
- 15. personal area network
- 18. driveretrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material