CPU's Flashcards
1
Q
What does the CPU stand for
A
Central
Processing
Unit
2
Q
Name the three main parts of the CPU
A
The control unit
The Arithmetic Unit
The cache
3
Q
What does the control unit do?
A
Execute program instructions
4
Q
What does the Arithmetic Logic unit do?
A
Does all of the Calculations
5
Q
What does the Cache do?
A
Very fast memory in the CPU is slower than registers but faster than RAM
6
Q
The CPU follows the (3 words) cycle. And what do they do?
A
Fetch - Copies the memory address from the program counter
Decode - The instructions in the MDR is decoded by the CPU
Execute - The instruction is then performed
