Learn C MCQs
Prepare C MCQs (Multiple choice Questions) for exam and job interviews.
Which of the following is used to read a character from standard input in C?
1) getchar()
2) readchar()
3) scanf()
4) getInput()
Answer : Option 1
What is the purpose of the `static` keyword?
1) To define a global variable
2) To limit variable scope
3) To allocate dynamic memory
4) None of the above
Answer : Option 2
What is the output of printf("%d", 3 * 5 + 2);?
1) 17
2) 15
3) 13
4) 20
Answer : Option 1
Which of the following operators is used to access the members of a structure?
1) .
2) ->
3) ::
4) Both 1 and 2
Answer : Option 4
What is the output of printf("%d", 5 < 4 && 3 > 2);?
1) 1
2) 0
3) 5
4) 4
Answer : Option 2
What is the correct way to declare a function that takes an integer and returns a float?
1) float func(int);
2) int func(float);
3) float func(int x);
4) Both 1 and 3
Answer : Option 4
Which of the following is the correct way to define a union?
1) union name { int x; float y; };
2) union { int x; float y; };
3) Both 1 and 2
4) None of the above
Answer : Option 1
What is the output of printf("%d", 10 % 3);?
1) 1
2) 2
3) 3
4) 4
Answer : Option 1
Which of the following can be used to terminate a loop in C?
1) break
2) exit
3) return
4) stop
Answer : Option 1
What is the output of printf("%d", 4 + 5 * 2);?
1) 14
2) 13
3) 12
4) 10
Answer : Option 1