MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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 | |
| 2. |
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. | |
| 3. |
In a tightly coupled system, when a processor is using the bus then the local bus of other processors is in |
| A. | hold state |
| B. | high impedance state |
| C. | halt state |
| D. | low impedance state |
| Answer» C. halt state | |