Explore topic-wise MCQs in Arduino.

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.

Can the Arduino read sensor data from a pin while the delay() function is in effect?

A. Yes
B. No
Answer» C.
Discussion
2.

What is the resolution of the micros() function on the Arduino LilyPad?

A. 2 Microseconds
B. 4 Microseconds
C. 6 Microseconds
D. 8 Microseconds
Answer» E.
Discussion
3.

What is the overflow point of the millis() function?

A. 10 day
B. 30 days
C. 50 days
D. 70 days
Answer» D. 70 days
Discussion
4.

What is the resolution of the micros() function on the Arduino Nano?

A. 2 Microseconds
B. 3 Microseconds
C. 4 Microseconds
D. 5 Microseconds
Answer» D. 5 Microseconds
Discussion
5.

What is the purpose of the program given below?

A. To create a delay in blink without using the delay() function
B. To create a delay in blink with the delay() function
C. To find the up-time
D. To find the down-timeView Answer
Answer» B. To create a delay in blink with the delay() function
Discussion
6.

What is the time period of the output signal of the program given below?

A. 20 Microseconds
B. 100 Milliseconds
C. 10 Milliseconds
D. 0.02 SecondsView Answer
Answer» E.
Discussion
7.

What is the return type of the delayMicroseconds() function?

A. Unsigned Int
B. Signed Int
C. Unsigned Long
D. Signed Long
Answer» B. Signed Int
Discussion
8.

What is the return type of the millis() function?

A. Signed Long
B. Unsigned Long
C. Signed Float
D. Unsigned Int
Answer» C. Signed Float
Discussion
9.

What is the return type of the micros() function?

A. Signed Long
B. Signed Int
C. Unsigned Long
D. Unsigned Int
Answer» D. Unsigned Int
Discussion
10.

What is the unit of delay in the code given below?

A. Milliseconds
B. Microseconds
C. Seconds
D. MinutesView Answer
Answer» B. Microseconds
Discussion