NIC-NIELIT Scientist-B 2020
October 19, 2023Teaching Aptitude
October 19, 2023Computer-Organization
| Question 102 |
Suppose a processor does not have any stack pointer register. Which of the following statements is true?
| It cannot have subroutine call instruction | |
| It can have subroutine call instruction, but no nested subroutine calls | |
| Nested subroutine calls are possible, but interrupts are not | |
| All sequences of subroutine calls and also interrupts are possible |
Question 102 Explanation:
If stack pointer register is not available then activation records in the stack cannot be created. So it cannot have subroutine call instruction.
Correct Answer: A
Question 102 Explanation:
If stack pointer register is not available then activation records in the stack cannot be created. So it cannot have subroutine call instruction.
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