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. |
THE_DISADVANTAGE_OF_THE_LOOSELY_COUPLED_SYSTEM_IS?$ |
| A. | complex due to additional hardware |
| B. | less portable |
| C. | more expensive |
| D. | all of the mentioned |
| Answer» E. | |
| 2. |
To_indicate_the_completion_of_task_allocated_in_a_closely_(tightly)_coupled_system,_the_microprocessor_uses$ |
| A. | status bit in memory |
| B. | interrupts the host |
| C. | status bit in memory or interrupts the host |
| D. | clock pulse |
| Answer» D. clock pulse | |
| 3. |
In a tightly coupled system, when a processor is using the bus then the local bus of other processors is i? |
| A. | hold state |
| B. | high impedance state |
| C. | halt state |
| D. | low impedance state |
| Answer» C. halt state | |
| 4. |
The loosely coupled system has an advantage of |
| A. | more number of CPUs can be added |
| B. | system structure is modular |
| C. | more fault-tolerant and suitable for parallel applications |
| D. | all of the mentioned |
| Answer» E. | |
| 5. |
The bus arbitration is handled by an external circuit in |
| A. | loosely coupled system |
| B. | tightly coupled system |
| C. | tightly and loosely coupled system |
| D. | none of the mentioned |
| Answer» B. tightly coupled system | |
| 6. |
Communication between processors using a common system bus and common memory takes place in |
| A. | loosely coupled system |
| B. | tightly coupled system |
| C. | tightly and loosely coupled system |
| D. | none of the mentioned |
| Answer» C. tightly and loosely coupled system | |
| 7. |
In tightly coupled systems, the microprocessors share |
| A. | common clock |
| B. | bus control logic |
| C. | common clock and bus control logic |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 8. |
The processor that asks for bus access or may itself fetch the instructions and execute them is |
| A. | microprocessor |
| B. | coprocessor |
| C. | independent processor |
| D. | coprocessor and independent processor |
| Answer» D. coprocessor and independent processor | |
| 9. |
The processor that executes the instructions fetched for it by the host processor is |
| A. | microprocessor |
| B. | coprocessor |
| C. | independent processor |
| D. | coprocessor and independent processor |
| Answer» C. independent processor | |
| 10. |
The processors used in the multi-microprocessor are |
| A. | coprocessors |
| B. | independent processors |
| C. | coprocessors or independent processors |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |