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

 remain unaffected
None of these
 decrement by two
 increment by two

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Microprocessor
IN an intel 8085A microprocessor, why is READY signal used?

 To indicate to user that the microprocessor is working and is ready for use.
 To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device.
None of these
 To slow down a fast peripheral device so as to communicate at the microprocessor’s device.

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

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