Across
- 3. - a copy of a file or other item of data made in case the original is lost or damaged.
- 5. - is the collection of physical elements that make up a computer system.
- 7. - a group of binary digits or bits (usually eight) operated on as a unit.
- 10. - a combined device for modulation and demodulation.
- 12. - copy (data) from one computer system to another, typically over the internet.
- 13. - a piece of code which is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.
- 15. - a device that stores digital information from your computer, sort of like keeping beans in a jar.
- 16. - the act or an instance of shutting down and restarting something (such as a computer or program)
- 17. - a hardware or software component that stores data so that future requests for that data can be served faster
- 18. - instructions that tell a computer what to do
- 19. - transfer (software) from one system or machine to another.
Down
- 1. - a high-capacity transmission technique using a wide range of frequencies, which enables a large number of messages to be communicated simultaneously.
- 2. - software that enables a user to obtain covert information about another's computer activities by transmitting data covertly from their hard drive.
- 4. - facts and statistics collected together for reference or analysis.
- 6. - Random Access Memory
- 7. - a range of frequencies within a given band, in particular that used for transmitting a signal.
- 8. - a device which detects or measures a physical property and records, indicates, or otherwise responds to it.
- 9. - messages distributed by electronic means from one computer user to one or more recipients via a network.
- 11. - protect (a network or system) from unauthorized access with a firewall.
- 14. - facts provided or learned about something or someone.