Explore topic-wise MCQs in Arduino.

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.

Is there any difference between the usage of the size() and the length() function?

A. Yes
B. No
Answer» C.
Discussion
2.

What is the use of the typeid() function?

A. To find the datatype of the variable
B. To find the const status of the variable
C. To find the address of the variable
D. To find the value of the variable
Answer» B. To find the const status of the variable
Discussion
3.

What is the conversion type for reinterpret casting?

A. Pointer to Variable
B. Variable to Variable
C. Pointer to Pointer
D. Variable to Pointer
Answer» D. Variable to Pointer
Discussion
4.

Who initiates explicit type casting?

A. The programmer
B. The compiler
C. The microcontroller
D. The assembler
Answer» B. The compiler
Discussion
5.

Who carries out implicit type casting?

A. The programmer
B. The assembler
C. The compiler
D. The microcontroller
Answer» D. The microcontroller
Discussion
6.

What is Type Casting?

A. Converting a file from one type to another
B. Creating new arrays
C. Deleting the variable from memory
D. Converting a variable from one type to another
Answer» E.
Discussion
7.

In C++ what type of operator is a cast operator?

A. Unary
B. Binary
C. Ternary
D. Quaternary
Answer» B. Binary
Discussion