MCQOPTIONS
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MCQOPTIONS
This section includes 11 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_ON-CHIP_CACHE_IS_CONTROLLED_BY?$ |
| A. | Cache disable(CD) |
| B. | No write through(NW) |
| C. | Cache disable and No write through |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
The on-chip cache can be flushed using external hardware using$ |
| A. | FLUSH pin |
| B. | TERMINATE pin |
| C. | FLOW pin |
| D. | Pin FLUSH or using software |
| Answer» E. | |
| 3. |
The on-chip cache is used for storin? |
| A. | addresses of data |
| B. | opcodes and data |
| C. | data and their addresses |
| D. | opcodes and their addresses |
| Answer» C. data and their addresses | |
| 4. |
In Little Endian data format, the data is stored a? |
| A. | MSB is stored at lower memory address and LSB at higher memory address |
| B. | LSB is stored at lower memory address and MSB at higher memory address |
| C. | MSB is stored at general purpose registers |
| D. | LSB is stored at general purpose registers |
| Answer» C. MSB is stored at general purpose registers | |
| 5. |
The datatype that the 80486 doesnot support is |
| A. | Signed and unsigned |
| B. | ASCII |
| C. | Floating point |
| D. | None |
| Answer» E. | |
| 6. |
The major limitation of 80386-387 system is |
| A. | low speed |
| B. | 80386 sends data using an I/O handshake technique |
| C. | 80386 returns to real mode by reset operation |
| D. | none of the mentioned |
| Answer» C. 80386 returns to real mode by reset operation | |
| 7. |
The flag that is added to 80486 in additional to the flags similar to 80386 is |
| A. | alignment check flag |
| B. | parity check flag |
| C. | conditional flag |
| D. | all of the mentioned |
| Answer» B. parity check flag | |
| 8. |
The management of the virtual memory of the system and adequate protection to data or codes in the physical memory is provided by |
| A. | segmentation unit |
| B. | paging unit |
| C. | attribute PLA |
| D. | all of the mentioned |
| Answer» E. | |
| 9. |
The unit that subjects the processor operation to boundary scan tests is |
| A. | parity generation and control unit |
| B. | prefetcher unit |
| C. | boundary scan and control unit |
| D. | segmentation unit |
| Answer» D. segmentation unit | |
| 10. |
Which of the following signal is handled by bus control and request sequencer? |
| A. | ADS |
| B. | PWT |
| C. | RDY |
| D. | All of the mentioned |
| Answer» E. | |
| 11. |
The first processor with an inbuilt floating point unit is |
| A. | 80386 |
| B. | 80486 |
| C. | 80286 |
| D. | 8086 |
| Answer» C. 80286 | |