Microprocessor
Program counter in a digital computer

 Points the memory address of the next instruction to be fetched.
 Counts the number of times a subroutine is called.
 Counts the numbers of programs run in the machine.
 Counts the number of times the loops are executed.

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Ready pin of microprocessor is used

 to introduce wait state
 to indicate that microprocessor is ready to receive inputs
 to indicate that microprocessor is ready to receive outputs
 to provide direct memory access

ANSWER DOWNLOAD EXAMIANS APP