STEMUnit 2: Technology Literacy

Parts of a Computer

What is inside your computer?

Each computer is made up of parts that play an important role in how it functions every

time it is turned on.

Central Processing Unit (CPU)• Considered the Brains of a computer

Hard Disk Drive• The Stomach• Can store large amounts of data

Random Access Memory (RAM)• The Pulse• Where instructions and data are stored on a

temporary basis

Power Supply• The Heart• Supplies computer with electrical energy

Motherboard• The Spine• A circuit board inside the computer case that

contains all computer system’s main components

Computer Case• The Shell• Holds all the different parts of a computer

Graphics Card• The Brawn (the muscle)• Can speed up many tasks like photos or

compressing videos. Very good for gaming.

Optical Drive• The Appendix• Used to burn discs, watch dvds or blu rays

CPU Cooler (Fan)• The Lungs• Keeps CPU from overheating

The End

Complete your worksheet and submit it per your instructor.