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
In 8085

P flag is reset when the result has odd parity
P flag is reset when the result has even parity
P flag is set when the result has odd parity
P flag is set when the result has even parity

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