FDE cycle Flashcards
1
Q
In which stage is the PC checked
A
Fetch
2
Q
What happens to the address in the PC after it is checked
A
It is copied into the MAR
3
Q
After the address is copied into the MAR where is it sent to
A
Main memory
4
Q
After the address arrives at main memory what does it wait for
A
A signal from the control bus
5
Q
What happens after main memory receives the read signal from the control bus
A
The data at the address is fetched and sent along the Data bus to the MDR
6
Q
What happens to the data stored in the MDR
A
It is copied into the CIR
7
Q
What is the final step of the fetch stage
A
Increment the PC
