The CPU Flashcards
1
Q
Accumulator
A
Responsible for temporarily storing arithmetic and logic results.
2
Q
Memory Address Register(MAR)
A
Used for holding the address of the current instruction being executed
3
Q
Memory Data Register(MDR)
A
Responsible for holding the actual data that is being stored in RAM
4
Q
Program Counter
A
Points to the next instruction that needs to be executed. It is located in the Control Unit
5
Q
what is the purpose of accumulator
A
It acts as a temporary storage location which holds an mathematical and logical calculations.
6
Q
what is the purpose of a control unit
A
The control unit (CU) is a component of a computer’s central processing unit (CPU) that directs the operation of the processor
