Q. If a processor does not have any stack pointer register, then (Solved)
1. It cannot have subroutine call instruction
2. It can have subroutine call instruction, but no nested subroutine
3. Nested subroutine calls are possible, but interrupts are not
4. All sequences of subroutine calls and also interrupts are
- d. All sequences of subroutine calls and also interrupts are