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Welcome to the Input and Output in C MCQs Page

Dive deep into the fascinating world of Input and Output in C with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Input and Output in C, a crucial aspect of C Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Input and Output in C, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C Programming.

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Check out the MCQs below to embark on an enriching journey through Input and Output in C. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Input and Output in C. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Input and Output in C MCQs | Page 37 of 42

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Q361.
What is the output of this program?
#include <stdio.h>
int main()
{
 printf("variable! %d", x);
    return 0;
}
Discuss
Answer: (c).Compile time error
Q362.
What is the output of this program?
#include <stdio.h>
int main()
{
    int main = 3;
    printf("%d", main);
    return 0;
}
Discuss
Answer: (a).3
Q363.
What is the output of this program, if input a is 1 and b is 2?
#include <stdio.h>
int main()
{
    int a, b;
    printf("%d", scanf("%d %d",&a;,&b;));
    return 0;
}
Discuss
Answer: (b).2
Q364.
What is the output of this program?
#include <stdio.h>
void main()
{
    printf("hello\rworld\n");
    printf("hello\b\b\bworld\n");
}
Discuss
Answer: (b).world
heworld
Q365.
What is the output of this program?

#include <stdio.h>
int main()
{
    int i;
    i = printf("compsciedu");
    i = printf("%d ", i);
    printf("%d ", i);
    return 0;
}
Discuss
Answer: (c).compsciedu 10 3
Q366.
Output of this statment is :
printf ( "%d" , printf ( "hello" ) );
Discuss
Answer: (b).hello5
Q367.
What is the output of this program?
#include <stdio.h>
# define scanf  "%s Find best course "
main()
{
   printf(scanf, scanf);
   return 0;
}
Discuss
Answer: (a).%s Find best course Find best course
Q368.
Which statment is true about the given code ?
#include <stdio.h>
int main()
{
  printf("%d", main);
  return 0;
}
Discuss
Answer: (b).Gives Address of function main.
Q369.
What is the output of this program?
#include <stdio.h>
int main()
{
    int i;
    i = 1, 2, 3;     
    printf("%d", i);
    return 0;
}
Discuss
Answer: (a).1
Discuss
Answer: (b).Will give Segmentation fault

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