Computer Science OCR Page 1- Parts of the Computer.

Power supply

Supplies power to the motherboard and other hardware.

Case cooling fan

Extracts hot air from the computer case.

CPU heat sink and cooling fan

keeps the CPU at a steady temperature (CPUs generate a lot of heat)

CPU

the most important component- does all the processing.

Optical Drive

for read/writing of optical discs (e.g. CDs, DvDs)

RAM sticks

Store data that a computer needs quick access to.

Motherboard

The main circuit board in the computer, where the hardware is connected.

Hard Disk Drive

A data storage device that retrieves info.

Graphics Cards

Processes the visual output of computers, like videos and images.