Explore topic-wise MCQs in C Programming.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your C Programming knowledge and support exam preparation. Choose a topic below to get started.

1.

What will be the output of the following C code?#include <stdio.h> void main() { int const m = 10; m++; printf("m is %d", m); }

A. 10
B. 11
C. Compilation Error
D. Runtime Error
E. None of these
Answer» E. None of these
Discussion
2.

What will be the output of the following C code?#include <stdio.h> int const Result() { printf("interviewmania.com"); return 0; } void main() { Result(); }

A. interviewmania.com is printed infinite times
B. interviewmania.com
C. Runtime Error
D. Error because function name cannot be preceded by const
E. None of these
Answer» C. Runtime Error
Discussion
3.

What will be the output of the following program:- #include int main() { const int a=34; int b=128; a = b; printf("%d n",a); return 0; }

A. 128
B. 34
C. Compiler error
D. garbage value
Answer» D. garbage value
Discussion
4.

What will be the output of the following C code?#include <stdio.h> void main() { int n = 21; int *const m = &n; int s = 12; m = &s; printf("%d", m); }

A. 21
B. Compilation Error
C. 12
D. Runtime Error
E. None of these
Answer» C. 12
Discussion
5.

What will be the output of the following C code?#include <stdio.h> int main() { const int n; n = 12; printf("n is %d", n); return 0; }

A. Compilation Error
B. n is 4
C. Runtime Error
D. Garbage value
E. None of these
Answer» B. n is 4
Discussion
6.

What will be the output of the following C code?#include <stdio.h> #define MAX 3 enum car {AstonMartin = MAX + 1, Audi = AstonMartin + MAX}; int main() { enum car c = Audi; printf("%d n", c); return 0; }

A. 3
B. Compilation Error
C. 7
D. Runtime Error
E. None of these
Answer» D. Runtime Error
Discussion
7.

What will be the output of the following C function?#include <stdio.h> enum car {AstonMartin, Audi, Chevrolet, Ferrari}; enum color {Yellow = 5, Green, RedBlue, Blue}; int main() { enum car c = Yellow; int i; i = c; printf("%d n", i); return 0; }

A. Compilation Error
B. Yellow
C. AstonMartin
D. 5
E. Runtime Error
Answer» E. Runtime Error
Discussion
8.

What will be the output of the following C code? #include <stdio.h> int main() { int n = 020; printf("%d", n); }

A. 2
B. 4
C. 8
D. 16
E. None of these
Answer» E. None of these
Discussion
9.

What will be the output of the following C code?#include <stdio.h> #define num 12 int main() { const int num = 10; printf("num = %d n", num); }

A. num
B. num = 12
C. num = 10
D. Compilation Error
E. None of these
Answer» E. None of these
Discussion
10.

In the following code snippet, character pointer str holds a reference to the string ___________.char *s = "interviewmania.com 0" "c programming";

A. interviewmania.comc programming
B. interviewmania.com
C. c programming 0c programming
D. c programming
E. None of these
Answer» D. c programming
Discussion
11.

What will be the output of the following C code? #include <stdio.h> int main() { enum {Blue = 4, Green, Yellow = 5, Red}; printf("Red = %d n", Red); }

A. Red = 4
B. Red = 5
C. Red = 6
D. All of above
E. None of these
Answer» D. All of above
Discussion
12.

Which of the following is the correct output for the program given below?#include<stdio.h>int main(){ const int k = 10; printf("%d n", k++); return 0;}

A. 10
B. 1 1
C. No output
D. Error: ++ needs a l value
Answer» E.
Discussion
13.

com

A. Sanfoundry.com\0training classes
B. Sanfoundry.comtraining classes
C. Invalid declaration
Answer» C. Invalid declaration
Discussion
14.

PEACH = 3

A. PEACH = 4
B. PEACH = 5
C. PEACH = 6
Answer» D.
Discussion