MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Arduino knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the purpose of the code given below? |
| A. | To demonstrate the working of the INPUT_PULLUP argument |
| B. | To emulate the working of the OUTPUT argument |
| C. | To emulate the analogRead method |
| D. | To reset all input to 0View Answer |
| Answer» B. To emulate the working of the OUTPUT argument | |
| 2. |
What is the difference between the INPUT and INPUT_PULLUP arguments in the pinMode() function? |
| A. | They are both the same |
| B. | INPUT supports only analog voltages while INPUT_PULLUP supports only digital voltage readings |
| C. | INPUT takes the default reading as 0 while INPUT_PULLUP takes default reading as 1023 |
| D. | INPUT takes the default reading as 1023 while INPUT_PULLUP takes the default reading as 0 |
| Answer» D. INPUT takes the default reading as 1023 while INPUT_PULLUP takes the default reading as 0 | |
| 3. |
What is the output of the program given below if a 0V is put across pin 11? |
| A. | 1 |
| B. | 0 |
| C. | 0.3 |
| D. | 1.001View Answer |
| Answer» B. 0 | |
| 4. |
How many errors are present in the code given below? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4View Answer |
| Answer» C. 3 | |
| 5. |
What is the output at the serial monitor of the code below if pin 11 is given the following signal? |
| A. | 0H0H0 |
| B. | OHHO |
| C. | OHHH |
| D. | HOHOOView Answer |
| Answer» B. OHHO | |
| 6. |
What will the code given below give as output if a 5V line is connected as input to pin 11? |
| A. | 0 |
| B. | 102 |
| C. | Null |
| D. | 1023View Answer |
| Answer» E. | |
| 7. |
What are the voltage levels that can be detected if a pin is set to OUTPUT using the pinMode() method and the analogRead() method is used, in the Arduino Uno? |
| A. | 0 and 5V |
| B. | 0 to 5.1V |
| C. | 0 to 5V |
| D. | 0 to 10V |
| Answer» D. 0 to 10V | |
| 8. |
What are the two modes that the pinMode() method sets for a particular pin? |
| A. | DIGITAL and ANALOG |
| B. | INPUT and OUTPUT |
| C. | TX and RX |
| D. | READ and WRITE |
| Answer» C. TX and RX | |
| 9. |
What is the output of “pin1” if “pin2” is sent “1011” where 1 is 5V and 0 is 0V? |
| A. | 0100 |
| B. | 1011 |
| C. | 1110 |
| D. | 1111View Answer |
| Answer» B. 1011 | |
| 10. |
What type of signal does the analogWrite() method generate when a pin is set to OUTPUT mode? |
| A. | Digital Signal |
| B. | Pulse Code Modulated Signal |
| C. | Pulse amplitude Modulated Signal |
| D. | Pulse Width Modulated Signal |
| Answer» E. | |