Explore topic-wise MCQs in Arduino.

This section includes 8 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 default time limit that is set automatically if no value is passed as the limit to the setTimeout() function?

A. 100 milliseconds
B. 1500 milliseconds
C. 1000 milliseconds
D. 2432 milliseconds
Answer» D. 2432 milliseconds
2.

How many parameters does the flush() function accept?

A. 0
B. 1
C. 2
D. 4
Answer» B. 1
3.

What is the maximum number of arguments does the find() function accept?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
4.

What is the function of the readBytesUntil() function?

A. Reads only integers from a stream
B. Reads any characters from a stream
C. Reads only special characters from a stream
D. Tokenizes a string from a stream
Answer» C. Reads only special characters from a stream
5.

What is the function in Arduino that is capable of reading Strings from a stream and store the acquired value into a String?

A. Stream.readstring()
B. Stream.stringread()
C. Stream.readString()
D. Stream.readfromstring()
Answer» D. Stream.readfromstring()
6.

Does the UART Architecture require an external clock?

A. Yes
B. No
Answer» C.
7.

In Serial Communications, how many sections is a data packet divided into?

A. 1
B. 2
C. 3
D. 4
Answer» E.
8.

How many RX-TX pairs of pins are present in the Arduino Mega?

A. 1
B. 2
C. 3
D. 4
Answer» E.