Microprocessor
Program counter in a digital computer

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

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
The interrupt facility is provided in microprocessor to

 keep a control on the working of the microprocessor
 change the sequence of the instructions being executed
 stop the microprocessor when desired
 stop the microprocessor when it starts malfunctioning

ANSWER DOWNLOAD EXAMIANS APP