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This section includes 7 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 happens to the output if the analogReadResolution() function is invoked with a resolution higher than the board s ADC can physically handle? |
A. | The output is padded with zeros |
B. | The output is not obtained as an error is thrown during compile time |
C. | The output is not obtained as an error is thrown during run time |
D. | The output is padded with ones |
Answer» B. The output is not obtained as an error is thrown during compile time | |
2. |
On which of the following Arduino Boards does the analogReadResolution() function not work? |
A. | Arduino Zero |
B. | Arduino MKR Vidor 4000 |
C. | Arduino Due |
D. | Arduino Uno |
Answer» E. | |
3. |
What is the use of the analogReference() function? |
A. | To change the digital signal reference value |
B. | To change the analog signal reference value |
C. | To print the analog signal reference voltage |
D. | To print the digital signal reference voltage |
Answer» C. To print the analog signal reference voltage | |
4. |
How many arguments does the analogRead() function have? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» B. 2 | |
5. |
Can the analogRead() function be used from any digital pin? |
A. | No, it cannot |
B. | Yes, it can, but only on certain Arduino Boards |
C. | Yes, it can |
D. | Yes, it can, but only through certain pins |
Answer» E. | |
6. |
What is the resolution of analog readings on the Arduino Uno? |
A. | 5V/1023 |
B. | 3.3V/1024 |
C. | 5V/1024 |
D. | 3.3V/100 |
Answer» D. 3.3V/100 | |
7. |
What type of signal does the analogWrite() function output? |
A. | Pulse Width Modulated Signal |
B. | Pulse Code Modulated Signal |
C. | Pulse Amplitude Modulated Signal |
D. | Frequency Modulated Signal |
Answer» B. Pulse Code Modulated Signal | |