Computer and Tech Essentials

1. an accurate worldwide navigational and surveying facility.
4. a finite sequence of well-defined, computer-implementable instructions.
5. a way of saving passwords.
7. the part of a computer where all the computing happens.
9. blocks unauthorized access while permitting outward communication.
12. a range of frequencies within a given band, in particular that used for transmitting a signal.
13. a computer/television screen.
14. a spare copy of data.
17. conceal data in something by converting it into a code.
18. software that is specifically designed to disrupt, damage, or gain unauthorized access to a computer system.

2. interfere with a radio to make it useless.
3. a program that tries to destroy something.
5. memory in which high speed retrieval is possible.
6. sending scam emails to get personal information.
8. a combined device for modulation and demodulation.
10. a place where you can look things up.
11. code used in digital computers, based on a number system in which there are only two possible states, off and on, usually symbolized by 0 and 1.
12. a group of binary digits or bits (usually eight) operated on as a unit.
15. memory device for computer system.
16. an act or instance of booting a computer system again.