Microprocessor
The timing difference between a slow memory and fast processor can be resolved if

Either A or B
External buffer is used
Processor is capable of waiting
Neither A nor B

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Microprocessor
How can we make any bit of a register “1”?

 AND that bit with “0” and remaining bits with “1”.
 OR that bit with “1” and remaining bits with “0”.
 AND that bit with “1” and remaining bits with “0”.
 OR that bit with “0” and remaining bits with “1”.

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Microprocessor
Program counter in a digital computer

 Counts the numbers of programs run in the machine.
 Points the memory address of the next instruction to be fetched.
 Counts the number of times a subroutine is called.
 Counts the number of times the loops are executed.

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