Learn C MCQs
Prepare C MCQs (Multiple choice Questions) for exam and job interviews.
Which of the following operators is used to access members of a structure?
1) .
2) ->
3) ::
4) Both 1 and 2
Answer : Option 4
What will be the output of printf("%d", (10 + 20) / 2);?
1) 10
2) 15
3) 30
4) 20
Answer : Option 2
Which of the following is not a valid variable type in C?
1) float
2) double
3) decimal
4) int
Answer : Option 3
What is the purpose of the `goto` statement in C?
1) To jump to a label
2) To create loops
3) To define functions
4) None of the above
Answer : Option 1
Which of the following is used to free allocated memory?
1) delete
2) free()
3) dispose()
4) remove()
Answer : Option 2
What will be the output of printf("%d", 5 + 5 * 5);?
1) 30
2) 25
3) 50
4) 35
Answer : Option 1
Which of the following statements is true about pointers?
1) They store the address of a variable.
2) They can be dereferenced.
3) They can be incremented.
4) All of the above
Answer : Option 4
What is the output of printf("%d", 5 | 1);?
1) 5
2) 4
3) 1
4) 7
Answer : Option 1
What is the output of printf("%d", 10 && 2);?
1) 1
2) 0
3) 10
4) 2
Answer : Option 1
Which of the following is a correct way to declare a 2D array in C?
1) int arr[3][4];
2) int arr(3)(4);
3) int arr{3}{4};
4) int arr[3,4];
Answer : Option 1