MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
To inform 80387 that the CPU wants to communicate with NPS1, the NPS1 line is directly connected to |
| A. | A31 |
| B. | A30 |
| C. | M/IO |
| D. | D31 |
| Answer» D. D31 | |
| 2. |
The sizes of instruction and data pointer registers of 80387 respectively are |
| A. | 32-bit, 32-bit |
| B. | 48-bit, 32-bit |
| C. | 32-bit, 48-bit |
| D. | 48-bit, 48-bit |
| Answer» E. | |
| 3. |
The unit that is responsible for carrying out all the floating point calculations, allotted to the coprocessor by 80386, is |
| A. | Central processing unit |
| B. | ALU |
| C. | FPU |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
The unit that handles the data and directs it to either FIFO or instruction decoder depending on the bus control logic directive is |
| A. | paging unit |
| B. | central processing unit |
| C. | segmentation unit |
| D. | data interface and control unit |
| Answer» E. | |