Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the program counter
 the stack pointer
 the sequence in which memory contents are fetched by it
 its internal registers

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
The stack pointer register in a microprocessor

 counts the number of programs being executing on the microprocessor
 holds the address of the top of the stack
 keeps the address of the next instruction to be fetched
 counts the number of instructions being executing on the microprocessor

ANSWER DOWNLOAD EXAMIANS APP