MCQOPTIONS
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MCQOPTIONS
This section includes 23 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Organization knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
MOV @R10,0(R11) is a type of ________ |
| A. | Register Mode |
| B. | Indirect Register Mode |
| C. | Immediate Mode |
| D. | Indirect Autoincrement Mode |
| Answer» C. Immediate Mode | |
| 2. |
Are the following two instructions similar? |
| A. | yes |
| B. | no |
| C. | cant be said |
| D. | depends on the conditionsView Answer |
| Answer» C. cant be said | |
| 3. |
Indirect mode and the indirect auto increment mode have which common operator in them |
| A. | + |
| B. | – |
| C. | @ |
| D. | & |
| Answer» D. & | |
| 4. |
There are _____ number of addressing modes found for the source and _____ number of modes for the destination part. |
| A. | 4,4 |
| B. | 2,4 |
| C. | 7,4 |
| D. | 2,2 |
| Answer» D. 2,2 | |
| 5. |
ARE_THE_TWO_INSTRUCTIONS_SIMILAR??$ |
| A. | |
| B. | |
| C. | yes |
| Answer» B. | |
| 6. |
THE_EFFECTIVE_ADDRESS_OF_THE_FOLLOWING_INSTRUCTION_IS_MUL_5(R1,R2).?$ |
| A. | 5+R1+R2 |
| B. | 5+(R1*R2) |
| C. | 5+[R1]+[R2]. |
| D. | 5*([R1]+[R2]) |
| Answer» D. 5*([R1]+[R2]) | |
| 7. |
mov.w @PC+,R6 is a type of ________$ |
| A. | direct addressing |
| B. | indirect addressing |
| C. | immediate addressing |
| D. | indirect auto increment addressing |
| Answer» D. indirect auto increment addressing | |
| 8. |
______addressing_mode_is_most_suitable_to_change_the_normal_sequence_of_execution_of_instructions.$ |
| A. | Relative |
| B. | Indirect |
| C. | Index with Offset |
| D. | Immediate |
| Answer» B. Indirect | |
| 9. |
Indirect mode and the indirect auto increment mode have which common operator in the? |
| A. | + |
| B. | – |
| C. | @ |
| D. | & |
| Answer» D. & | |
| 10. |
The addressing mode, where you directly specify the operand value is ______? |
| A. | Immediate |
| B. | Direct |
| C. | Definite |
| D. | Relative |
| Answer» B. Direct | |
| 11. |
Indirect register mode is used by _________ |
| A. | source register |
| B. | destination register |
| C. | source & destination register |
| D. | none of the mentioned |
| Answer» B. destination register | |
| 12. |
When we use auto increment or auto decrements, which of the following is/are true? |
| A. | In both, the address is used to retrieve the operand and then the address gets altered |
| B. | In auto increment, the operand is retrieved first and then the address altered |
| C. | Both of them can be used on general purpose registers as well as memory locations |
| D. | 1, 2, 3 |
| Answer» E. | |
| 13. |
Absolute mode uses which of the following operators? |
| A. | % |
| B. | / |
| C. | $ |
| D. | & |
| Answer» E. | |
| 14. |
The addressing mode/s, which uses the PC instead of a general purpose register is ______ |
| A. | Indexed with offset |
| B. | Relative |
| C. | direct |
| D. | both Indexed with offset and direct |
| Answer» C. direct | |
| 15. |
What do you understand form this instruction mov.w X(PC), R6 |
| A. | R6 = X+PC |
| B. | R6 = PC-X |
| C. | R6 = -X-PC |
| D. | R6 = -X+PC |
| Answer» B. R6 = PC-X | |
| 16. |
In the following indexed addressing mode instruction, MOV 5(R1),LOC the effective address is ______ |
| A. | EA = 5+R1 |
| B. | EA = R1 |
| C. | EA = [R1]. |
| D. | EA = 5+[R1]. |
| Answer» E. | |
| 17. |
Indexed addressing can be used for _________ |
| A. | source |
| B. | destination |
| C. | source & destination |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 18. |
The addressing mode which makes use of in-direction pointers is ______ |
| A. | Indirect addressing mode |
| B. | Index addressing mode |
| C. | Relative addressing mode |
| D. | Offset addressing mode |
| Answer» B. Index addressing mode | |
| 19. |
mov.w R3, R4 takes _________ |
| A. | one cycle |
| B. | two cycles |
| C. | four cycles |
| D. | eight cycles |
| Answer» B. two cycles | |
| 20. |
Add #45, when this instruction is executed the following happen/s _______ |
| A. | The processor raises an error and requests for one more operand |
| B. | The value stored in memory location 45 is retrieved and one more operand is requested |
| C. | The value 45 gets added to the value on the stack and is pushed onto the stack |
| D. | None of the mentioned |
| Answer» C. The value 45 gets added to the value on the stack and is pushed onto the stack | |
| 21. |
MSP430 describes reti instruction as ___________ |
| A. | Format1 addressing |
| B. | Format2 addressing |
| C. | Jump addressing |
| D. | None of the mentioned |
| Answer» C. Jump addressing | |
| 22. |
In the case of, Zero-address instruction method the operands are stored in _____ |
| A. | Registers |
| B. | Accumulators |
| C. | Push down stack |
| D. | Cache |
| Answer» D. Cache | |
| 23. |
The instruction, Add #45,R1 does _______ |
| A. | Adds the value of 45 to the address of R1 and stores 45 in that address |
| B. | Adds 45 to the value of R1 and stores it in R1 |
| C. | Finds the memory location 45 and adds that content to that of R1 |
| D. | None of the mentioned |
| Answer» C. Finds the memory location 45 and adds that content to that of R1 | |