MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is not a machine controlled instruction? |
| A. | HLT |
| B. | CLC |
| C. | LOCK |
| D. | ESC |
| Answer» C. LOCK | |
| 2. |
NOP instruction introduces |
| A. | Address |
| B. | Delay |
| C. | Memory location |
| D. | None of the mentioned |
| Answer» C. Memory location | |
| 3. |
Which instruction cannot force the 8086 processor out of halt state? |
| A. | Interrupt request |
| B. | Reset |
| C. | Both interrupt request and reset |
| D. | Hold |
| Answer» E. | |
| 4. |
The instruction that unconditionally transfers the control of execution to the specified address is |
| A. | CALL |
| B. | JMP |
| C. | RET |
| D. | IRET |
| Answer» C. RET | |
| 5. |
The instructions that are used to call a subroutine from the main program and return to the main program after execution of called function are |
| A. | CALL, JMP |
| B. | JMP, IRET |
| C. | CALL, RET |
| D. | JMP, RET |
| Answer» D. JMP, RET | |
| 6. |
The mnemonic that is placed before the arithmetic operation is performed is |
| A. | AAA |
| B. | AAS |
| C. | AAM |
| D. | AAD |
| Answer» E. | |