Explore topic-wise MCQs in Arduino.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Arduino knowledge and support exam preparation. Choose a topic below to get started.

1.

How many times can a variable declared const be fed a value in any program?

A. 1
B. 26
C. 30
D. 0
Answer» B. 26
2.

Which of the sizes of data given below require us to shut off all interrupts while inputting them into a volatile variable?

A. 1 bit
B. 2 bit
C. 2 bytes
D. 0.5 bytes
Answer» D. 0.5 bytes
3.

From which memory does the compiler revert to if a variable is declared volatile?

A. RAM
B. Storage Register
C. ROM
D. EEPROM
Answer» B. Storage Register
4.

If a program has 4 functions then will all of them be able to access the data held by a global variable?

A. Yes
B. No
Answer» B. No
5.

What functions are a static variable visible to?

A. Only Static Functions
B. All Types of Functions
C. Only Functions with a return type
D. Only Non Static Functions
Answer» B. All Types of Functions