Suppose a processor does not have any stack pointer registers, which of the following statements is true ?
| A. | It cannot have subroutine call instruction. |
| B. | It cannot have nested subroutine calls. |
| C. | Interrupts are not possible. |
| D. | All subroutine calls and interrupts are possible |
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Option: D Explanation : Click on Discuss to view users comments. |
Everything below the system call interface and above the physical hardware is known as ______.
| A. | Kernel |
| B. | Bus |
| C. | Shell |
| D. | Stub |
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Option: A Explanation : Click on Discuss to view users comments. |
Which is not the correct statement ?
| A. | The class of regular sets is closed under homomorphisms. |
| B. | The class of regular sets is not closed under inverse homomorphisms. |
| C. | The class of regular sets is closed under quotient. |
| D. | The class of regular sets is closed under substitution. |
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Option: B Explanation : Click on Discuss to view users comments. |
