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. |
ALL_CONDITIONAL_JUMPS_ARE?$ |
| A. | absolute jumps |
| B. | long jumps |
| C. | short jumps |
| D. | none |
| Answer» D. none | |
| 2. |
In logical instructions, the immediate data can be an operand for$ |
| A. | increment operation |
| B. | decrement operation |
| C. | single operand instruction |
| D. | none |
| Answer» E. | |
| 3. |
The_first_byte_of_a_short_jump_instruction_represents$ |
| A. | opcode byte |
| B. | relative address |
| C. | opcode field |
| D. | none |
| Answer» B. relative address | |
| 4. |
The conditional control transfer instructions check a bit condition which includes any bit o? |
| A. | bit addressable RAM |
| B. | bit addressable SFRs |
| C. | content of accumulator |
| D. | all of the mentioned |
| Answer» E. | |
| 5. |
The control transfer instructions are divided into |
| A. | explicit and implicit control transfer instructions |
| B. | conditional and unconditional control transfer instructions |
| C. | auto control and self control transfer instructions |
| D. | all of the mentioned |
| Answer» C. auto control and self control transfer instructions | |
| 6. |
The instructions that change the sequence of execution are |
| A. | conditional instructions |
| B. | logical instructions |
| C. | control transfer instructions |
| D. | data transfer instructions |
| Answer» D. data transfer instructions | |
| 7. |
The instruction that is used to complement or invert the bit of a bit addressable SFR is |
| A. | CLR C |
| B. | CPL C |
| C. | CPL Bit |
| D. | ANL Bit |
| Answer» D. ANL Bit | |
| 8. |
The logical instruction that affects the carry flag during its execution is |
| A. | XRL A; |
| B. | ANL A; |
| C. | ORL A; |
| D. | RLC A; |
| Answer» E. | |
| 9. |
Which of the following is true while executing data transfer instructions? |
| A. | program counter is not accessible |
| B. | restricted bit-transfer operations are allowed |
| C. | both operands can be direct/indirect register operands |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 10. |
The operations performed by data transfer instructions are on |
| A. | bit data |
| B. | byte data |
| C. | 16-bit data |
| D. | all of the mentioned |
| Answer» E. | |
| 11. |
Which of the following is not an instruction of 8051 instructions? |
| A. | arithmetic instructions |
| B. | boolean instructions |
| C. | logical instructions |
| D. | none |
| Answer» E. | |