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The CPU (Buses (Data bus (Carries the actual data.), Control Bus (Sends…
The CPU
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Memory data register
Temporarily stores data that is being fetched from, transferred to, memory. Also, called MBR
Memory address register
Stores the memory location of the next piece of data or program to be fetched-from/transferred-to memory.
Cache
Cache is a small amount of data that holds frequently used instructions. It also has buses leading directly from the cache to the CPU
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Accumulator
A register within the ALU that accumulates the results of currently running instructions. Final results are then transferred to another register or memory location.
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