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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which mode of the Intel 8253 timer can generate a square wave? |
| A. | mode 1 |
| B. | mode 2 |
| C. | mode 3 |
| D. | mode 4 |
| Answer» E. | |
| 2. |
WHICH_MODE_OF_THE_INTEL_8253_TIMER_CAN_GENERATE_A_SQUARE_WAVE??$ |
| A. | mode 1 |
| B. | mode 2 |
| C. | mode 3 |
| D. | mode 4 |
| Answer» E. | |
| 3. |
Which of the following determines the rate generation? |
| A. | divide by N |
| B. | multiply by N |
| C. | addition by N |
| D. | subtraction by N |
| Answer» B. multiply by N | |
| 4. |
Which of the following is the mode 3 in the Intel timer 8253? |
| A. | rate generator |
| B. | hardware triggered strobe |
| C. | square wave rate generator |
| D. | software triggered strobe |
| Answer» B. hardware triggered strobe | |
| 5. |
Which mode of 8253 can provide pulse width modulation? |
| A. | programmable one-shot |
| B. | square wave rate generator |
| C. | software triggered strobe |
| D. | hardware triggered strobe |
| Answer» B. square wave rate generator | |
| 6. |
Which determines the mode 1 in the Intel 8253? |
| A. | interrupt on terminal count |
| B. | programmable one-shot |
| C. | rate generator |
| D. | square wave rate generator |
| Answer» C. rate generator | |
| 7. |
Which of the following is mode 0 in 8253? |
| A. | interrupt on start count |
| B. | interrupt for wait statement |
| C. | interrupt on terminal count |
| D. | no interrupt |
| Answer» D. no interrupt | |
| 8. |
Which of the following timer is suitable for IBM PC? |
| A. | IA-32 |
| B. | Intel 8253 |
| C. | Intel 64 |
| D. | 8051 timer |
| Answer» C. Intel 64 | |
| 9. |
Which bit size determines the maximum value of the counter-derived period? |
| A. | counter size |
| B. | pre-scalar value |
| C. | bit size |
| D. | byte size |
| Answer» B. pre-scalar value | |
| 10. |
Which bit size determines the slowest frequency? |
| A. | counter size |
| B. | pre-scalar value |
| C. | counter |
| D. | timer |
| Answer» C. counter | |
| 11. |
Which of the following helps in the generation of waveforms? |
| A. | timer |
| B. | inputs |
| C. | outputs |
| D. | memory |
| Answer» B. inputs | |