Microprocessor
Program counter in a digital computer

 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.
 Points the memory address of the next instruction to be fetched.

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 2000H. POP H instruction will transfer the contents of memory location

 2001H and 2000H to H and L registers respectively
 2000H and 1FFFH to H and L registers respectively
 2001H and 2002H to H and L registers respectively
 2000H and 1999H to H and L registers respectively

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