HardWare Flashcards
1
Q
MAR
A
Holds the memory location of data that needs to be accessed.
2
Q
MDR
A
Holds data that is being transferred to or from memory
3
Q
ACC
A
Where Math and Logic results are stored.
4
Q
PC
A
Contains the address of the next instruction
5
Q
CIR
A
Contains the current instruction being processed
6
Q
Address bus
A
Carries the addresses of data between the processor and memory
7
Q
Control Bus
A
Carries signals from the CPU in order to control and coordinate all the activity’s within the computer.