Microprocessor
The execution of RST n instruction causes the stack pointer to

 increment by two
None of these
 remain unaffected
 decrement by two

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Microprocessor
Program counter in a digital computer

 Counts the number of times a subroutine is called.
 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 the loops are executed.

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Microprocessor
How can we make any bit of a register “0”?

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

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