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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 28 of 42

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Q271.
What will be the output of the program (myprog.c) given below if it is executed from the command line?
cmd> myprog one two three
/* myprog.c */
#include<stdio.h>

int main(int argc, char **argv)
{
    printf("%c\n", **++argv);
    return 0;
}
Discuss
Answer: (c).o
Q272.
What will be the output of the program (myprog.c) given below if it is executed from the command line?
cmd> myprog one two three

/* myprog.c */
#include<stdio.h>
#include<stdlib.h>

int main(int argc, char **argv)
{
    printf("%s\n", *++argv);
    return 0;
}
Discuss
Answer: (b).one
Q273.
What will be the output of the program (sample.c) given below if it is executed from the command line (Turbo C in DOS)?
cmd> sample 1 2 3

/* sample.c */
#include<stdio.h>

int main(int argc, char *argv[])
{
    int j;
    j = argv[1] + argv[2] + argv[3];
    printf("%d", j);
    return 0;
}
Discuss
Answer: (c).Error
Q274.
What will be the output of the program (sample.c) given below if it is executed from the command line (turbo c under DOS)?
cmd> sample Good Morning


/* sample.c */
#include<stdio.h>

int main(int argc, char *argv[])
{
    printf("%d %s", argc, argv[1]);
    return 0;
}
Discuss
Answer: (a).3 Good
Q275.
What will be the output of the program
#include<stdio.h>
void fun(int);

int main(int argc)
{
    printf("%d ", argc);
    fun(argc);
    return 0;
}
void fun(int i)
{
    if(i!=4)
        main(++i);
}
Discuss
Answer: (b).1 2 3 4
Q276.
What will be the output of the program (sample.c) given below if it is executed from the command line?
cmd> sample "*.c"

/* sample.c */
#include<stdio.h>

int main(int argc, int *argv)
{
    int i;
    for(i=1; i<argc; i++)
        printf("%s\n", argv[i]);
    return 0;
}
Discuss
Answer: (a).*.c
Q277.
What will be the output of the program if it is executed like below?
cmd> sample

/* sample.c */
#include<stdio.h>

int main(int argc, char **argv)
{
    printf("%s\n", argv[argc-1]);
    return 0;
}
Discuss
Answer: (b).sample
Q278.
What will be the output of the program (sample.c) given below if it is executed from the command line?
cmd> sample friday tuesday sunday

/* sample.c */
#include<stdio.h>

int main(int argc, char *argv[])
{
    printf("%c", **++argv);
    return 0;
}
Discuss
Answer: (b).f
Q279.
What will be the output of the program (myprog.c) given below if it is executed from the command line?
cmd> myprog friday tuesday sunday

/* myprog.c */
#include<stdio.h>

int main(int argc, char *argv[])
{
    printf("%c", *++argv[1]);
    return 0;
}

a.

r

b.

f

c.

m

d.

y

Discuss
Answer: (a).r
Q280.
What will be the output of the program (sample.c) given below if it is executed from the command line?
cmd> sample one two three

/* sample.c */
#include<stdio.h>

int main(int argc, char *argv[])
{
    int i=0;
    i+=strlen(argv[1]);
    while(i>0)
    {
        printf("%c", argv[1][--i]);
    }
    return 0;
}
Discuss
Answer: (c).eno

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