Computer Architecture

Question 1

Central Processing Unit (CPU)

Answer 1

Brain of the computer

Executes instructions and controls data flow to and from different parts of the computer.

Question 2

Random Access Memory (RAM)

Answer 2

CPU’s short-term memory

• Can only compute values loaded into the RAM
• Used to boot up existing programs faster

Question 3

Hard Drive (HDD)

Answer 3

Computer’s long-term memory

• Much slower than RAM

Question 4

Peripherals

Answer 4

Components that are connected to increase the capabilities of your computer

i.e. mouse, USB sticks, keyboards

Question 5

Process of a CPU

Answer 5

1. Fetch
2. Decode
3. Execute