MCQOPTIONS
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MCQOPTIONS
This section includes 10 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_OF_THE_SIGNAL_CAN_CONTROL_BUS_ARBITRATION_LOGIC_IN_8250??$ |
| A. | MR |
| B. | DDIS |
| C. | INTR |
| D. | RCLK |
| Answer» C. INTR | |
| 2. |
Which of the following signals are active low in the 8250 UART? |
| A. | BAUDOUT |
| B. | DDIS |
| C. | INTR |
| D. | MR |
| Answer» B. DDIS | |
| 3. |
What does ADS indicate in 8250 UART? |
| A. | address signal |
| B. | address terminal signal |
| C. | address strobe signal |
| D. | address generating signal |
| Answer» D. address generating signal | |
| 4. |
Which company developed 16450? |
| A. | Philips |
| B. | Intel |
| C. | National semiconductor |
| D. | IBM |
| Answer» D. IBM | |
| 5. |
Which is the most commonly used UART? |
| A. | 8253 |
| B. | 8254 |
| C. | 8259 |
| D. | 8250 |
| Answer» E. | |
| 6. |
How is the baud rate supplied? |
| A. | baud rate voltage |
| B. | external timer |
| C. | peripheral |
| D. | internal timer |
| Answer» C. peripheral | |
| 7. |
What rate can define the timing in the UART? |
| A. | bit rate |
| B. | baud rate |
| C. | speed rate |
| D. | voltage rate |
| Answer» C. speed rate | |
| 8. |
Which of the signal is set to one, if no data is transmitted? |
| A. | READY |
| B. | START |
| C. | STOP |
| D. | TXD |
| Answer» E. | |
| 9. |
How is data detected in a UART? |
| A. | counter |
| B. | timer |
| C. | clock |
| D. | first bit |
| Answer» D. first bit | |
| 10. |
What is the full form of UART in Uart? |
| A. | universal asynchronous receiver transmitter |
| B. | unique asynchronous receiver transmitter |
| C. | universal address receiver transmitter |
| D. | unique address receiver transmitter |
| Answer» B. unique asynchronous receiver transmitter | |