Microprocessor
Which of the following is not a general purpose peripheral?

I/O port
Programmable interval timer
Programmable CRT controller
Programmable interrupt controller

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

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Microprocessor
Program counter in a digital computer

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

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