MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHEN_THE_OPERATING_SYSTEM_USES_HALT_INSTRUCTION_ON_A_PROCESSOR_WHICH_SUPPORTS_MULTITHREADING,_THE_OPERATION_MOVES_FROM?$ |
| A. | Single task to multi task mode |
| B. | ST1 to ST0 |
| C. | Multi task to single task mode |
| D. | None |
| Answer» D. None | |
| 2. |
The_Xeon_TM_processor_on_which_hyperthreading_technology_was_first_implemented_consists_of$ |
| A. | one logical processor per physical processor |
| B. | two logical processor per physical processor |
| C. | three logical processor per physical processor |
| D. | zero logical processor per physical processor |
| Answer» C. three logical processor per physical processor | |
| 3. |
The HALT instruction is a privileged instruction that can be only used b? |
| A. | execution unit |
| B. | operating system |
| C. | control unit |
| D. | memory unit |
| Answer» C. control unit | |
| 4. |
The mode that is available when there is only one software thread to execute is |
| A. | single task mode |
| B. | multi task mode |
| C. | single task and multi task mode |
| D. | dual task mode |
| Answer» D. dual task mode | |
| 5. |
The instruction that is used when either of the logical processors is idle is |
| A. | HOLD |
| B. | HLDA |
| C. | HALT |
| D. | NONE |
| Answer» D. NONE | |
| 6. |
The hyperthreading technology automatically involves the |
| A. | decrease of die area |
| B. | increase of die area |
| C. | decrease of die area to half |
| D. | none |
| Answer» C. decrease of die area to half | |
| 7. |
A logical processor may be temporarily stalled for |
| A. | including servicing cache misses |
| B. | handling branch mispredictions |
| C. | waiting for results of previous instructions |
| D. | all of the mentioned |
| Answer» E. | |
| 8. |
Each logical processor maintains a set of architecture state which consists of |
| A. | general purpose registers |
| B. | machine state register |
| C. | advanced programmed interrupt controller |
| D. | all of the mentioned |
| Answer» E. | |
| 9. |
The feature of hyperthreading is |
| A. | simultaneous multithreading |
| B. | switching is not required |
| C. | effective use of processor resources |
| D. | all of the mentioned |
| Answer» E. | |
| 10. |
Which of the following is a resource sharing strategy that had been investigated by the developers? |
| A. | partitioned resources |
| B. | threshold sharing |
| C. | full sharing |
| D. | all of the mentioned |
| Answer» E. | |