MCQOPTIONS
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MCQOPTIONS
This section includes 5 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 data address of look-up table is found by adding the contents of |
| A. | accumulator with that of program counter |
| B. | accumulator with that of program counter or data pointer |
| C. | data register with that of program counter or accumulator |
| D. | data register with that of program counter or data pointer |
| Answer» C. data register with that of program counter or accumulator | |
| 2. |
The only memory which can be accessed using indexed addressing mode is |
| A. | RAM |
| B. | ROM |
| C. | Main memory |
| D. | Program memory |
| Answer» E. | |
| 3. |
In which of these addressing modes, a constant is specified in the instruction, after the opcode byte? |
| A. | register instructions |
| B. | register specific instructions |
| C. | direct addressing |
| D. | immediate mode |
| Answer» E. | |
| 4. |
The instruction, ADD A, #100 performs |
| A. | 100(decimal) is added to contents of address register |
| B. | 100(decimal) is subtracted from the accumulator |
| C. | 100(decimal) is added to contents of an accumulator |
| D. | none |
| Answer» D. none | |
| 5. |
The symbol, addr 16 represents the 16-bit address which is used by the instructions to specify the |
| A. | destination address of CALL |
| B. | source address of JUMP |
| C. | destination address of call or jump |
| D. | source address of call or jump |
| Answer» D. source address of call or jump | |