Know the basics of the computer hardware components.

1. Computer Hardware
Review
Computer Maintenance

2. Power Supply

3. Power Supply
 Supplies power to the whole
computer.

4. Motherboard

5. Motherboard
 A large circuit board that all
components in the computer connect
to. (heart of the computer)

6. Processor (CPU)

7. Processor or CPU
 The chip that does all the calculations
for the computer to do its job. (brain
of the computer)

8. Memory (RAM)

9. Memory or RAM
 Chip assemblies that store data
temporary for very quick recall.

10. Hard Drive

11. Hard Drive
 A device that stores data, such as the
operating system, permanently on
enclosed magnetic disks.

12. Optical Drive

13. Optical Drives
 Devices that read, or read and write
data from and onto discs using laser
beams.

14. Floppy Drive

15. Floppy Drive
 Stores and reads data on removable
magnetic diskettes.

16. BIOS

17. Basic Input Output System
(BIOS)
 A program that works as soon as the
computer is powered on to test
hardware.

18. Video Card

19. Video Card
 A device that generates a video
signal to be shown on the monitor.

20. Sound Card

21. Sound Card
 A device that allows the computer to
play and record sound.

22. Network Card

23. Network Card
 A device that connects the computer
to the network.

24. Ports

25. Ports
 Connectors, usually on the back of
the computer for connecting
peripheral devices.

26. Heat sink

27. Heat sink
 Metal radiator that absorbs the heat
from the processor.

28. Fan

29. Fan
 Circulates the air in the computer.
 Helps cool the computer.