The Purposes of the CPU.

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Terms in this set (...)

CPU
The Computer Processing Unit. It fetches and executes instructions.
ALU
Arithmetic Logic Unit. It performs calculations and logical decisions.
CU
Control Unit. It sends signals to control how data moves around the CPU.
Cache
It provides fast access to frequently used instructions and data.
MAR
Memory Address Register. It holds the address of where data is to be fetched or stored.
MDR
Memory Data Register. It holds the data fetched from, or to be written to the memory.
ACC
Accumulator. It holds the results of calculations.
PC
Program Counter. It holds the address of the next instruction in memory.
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