1. Lesson 3
Vocabulary
By Cheryl Plunkett

2. Backup

3. Procedures that place a priority on
files that would be difficult or
impossible to replace or reconstruct
if they were lost, such as a company’s
financial statements, important
projects and works in progress.

4. Data Theft

5. Removing data from a
computer without
authorization.

6. Driver

7. A small program that
instructs the operating
system on how to
operate specific
hardware.

8. Encryption

9. A standard method for
encoding data.

10. Humidity

11. Moisture in the air that
can cause computers to
short circuit, resulting in
the loss of data and
damage to hardware.

12. Ping

13. A DOS command that
tests connectivity and
isolates hardware
problems and any
mismatched
configurations.

14. Power Spike

15. A short, fast transfer of
electrical voltage,
current, or energy.

16. Surge
Suppressor

17. A device that protects
against power spikes.

18. Uninterruptible
Power Supply
(UPS)

19. A battery power source
that provides electric
current during a power
outage.