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The CPU
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Total cards: 6•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (6)
#1
Front (Question)
Accumulator
Back (Answer)
Responsible for temporarily storing arithmetic and logic results.
#2
Front (Question)
Memory Address Register(MAR)
Back (Answer)
Used for holding the address of the current instruction being executed
#3
Front (Question)
Memory Data Register(MDR)
Back (Answer)
Responsible for holding the actual data that is being stored in RAM
#4
Front (Question)
Program Counter
Back (Answer)
Points to the next instruction that needs to be executed. It is located in the Control Unit
#5
Front (Question)
what is the purpose of accumulator
Back (Answer)
It acts as a temporary storage location which holds an mathematical and logical calculations.
#6
Front (Question)
what is the purpose of a control unit
Back (Answer)
The control unit (CU) is a component of a computer’s central processing unit (CPU) that directs the operation of the processor