Across
- 4. a program causes harm to computer
- 5. program controlling hardware
- 7. an input device use to guide pointer on screen
- 8. raw facts and figures which have no meaning
- 9. a coding language use to create programs
- 10. a column represented in a table
- 11. a device used in network for modulation
- 12. a system which protect network from threats
- 13. an output device producing hardcopy
- 18. a rule to guide network traffic
- 19. smallest unit to represent data
- 20. a storage device using electric pulse to operate
Down
- 1. person who writes codes
- 2. a representation of character 8 bits long
- 3. set of instructions to use IS
- 5. a network threat which steals user info
- 6. central repository of related files
- 14. a device which guides data packets in network
- 15. a kind of common network protocol
- 16. a program to collect user data on websites
- 17. a wireless Local Area Network