MCQOPTIONS
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MCQOPTIONS
This section includes 6 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 a JUMP instruction references a Task State Segment(TSS) descriptor, then DPL must be |
| A. | equally privileged as CPL |
| B. | greater or equally privileged than CPL |
| C. | less or equally privileged than CPL |
| D. | less privileged than CPL |
| Answer» D. less privileged than CPL | |
| 2. |
The instruction that refers to only code segment descriptors with DPL equal to or less than the task CPL is |
| A. | CALL |
| B. | IRET |
| C. | ESC |
| D. | RET and IRET |
| Answer» E. | |
| 3. |
The RPL of a selector that referred to the code descriptor must have |
| A. | less privilege than CPL |
| B. | greater privilege than CPL |
| C. | equal privilege than CPL |
| D. | any privilege regarding CPL |
| Answer» D. any privilege regarding CPL | |
| 4. |
A CALL instruction can reference only a code segment descriptor with |
| A. | DPL less privilege than CPL |
| B. | DPL equal privilege to CPL |
| C. | DPL greater privilege than CPL |
| D. | All of the mentioned |
| Answer» C. DPL greater privilege than CPL | |
| 5. |
The task requesting an access to a descriptor is allowed to access after checking the |
| A. | type of descriptor |
| B. | privilege level |
| C. | type of descriptor and privilege level |
| D. | corresponding segment |
| Answer» D. corresponding segment | |
| 6. |
A task with privilege level 0, doesn t refer to all the lower level privilege descriptors in |
| A. | GDT (global descriptor table) |
| B. | LDT (local descriptor table) |
| C. | IDT (interrupt descriptor table) |
| D. | None of the mentioned |
| Answer» C. IDT (interrupt descriptor table) | |