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 instruction that multiplies the content of the stack top by 2n is |
| A. | FMUL |
| B. | FPREM |
| C. | FSCAL |
| D. | FCSH |
| Answer» D. FCSH | |
| 2. |
The instruction that stores a copy of top of the stack into the memory, and pops the top of the stack is |
| A. | FST |
| B. | FSTP |
| C. | FIST |
| D. | FLD |
| Answer» C. FIST | |
| 3. |
If the result is rounded according to the rounding control bits, then the exception generated is |
| A. | denormalized operand |
| B. | underflow |
| C. | inexact result |
| D. | invalid operation |
| Answer» D. invalid operation | |
| 4. |
To operate 8087 in maximum mode, the pin MN/MX (active low) is |
| A. | connected to Vcc or power supply |
| B. | connected to ground |
| C. | left unconnected |
| D. | none of the mentioned |
| Answer» C. left unconnected | |
| 5. |
If the result is infinity, then the exception generated is |
| A. | overflow |
| B. | invalid operation |
| C. | denormalized operand |
| D. | zero divide |
| Answer» E. | |