MCQOPTIONS
Saved Bookmarks
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 type of operand that is not allowed to use in boolean instructions of 8051 is |
| A. | direct register operands |
| B. | indirect register operands |
| C. | immediate bit |
| D. | none |
| Answer» D. none | |
| 2. |
The mnemonic, JNB is used to jump to the specified relative address only if |
| A. | specified bit=1 |
| B. | specified bit=0 |
| C. | specified bit is non-recursive |
| D. | none |
| Answer» B. specified bit=0 | |
| 3. |
The mnemonic used to perform a subtraction of source with an 8-bit data and jumps to specified relative address if subtraction is non-zero is |
| A. | DJNZ |
| B. | CJNE |
| C. | JZ |
| D. | JNC |
| Answer» C. JZ | |
| 4. |
Which of the following is not a conditional control transfer instruction? |
| A. | JC |
| B. | JBC |
| C. | JNC |
| D. | NONE |
| Answer» E. | |
| 5. |
If the most significant bit of relative address byte is 1, then the short jump instruction is |
| A. | forward jump |
| B. | back jump |
| C. | either forward or back jump |
| D. | none |
| Answer» C. either forward or back jump | |