Quiz-1

Question 1

Time: 00:00:00
The library function used to find the last occurrence of a character in a string is

strnstr()

strnstr()

laststr()

laststr()

strrchr()

strrchr()

strstr()

strstr()

Question 2

Time: 00:00:00
Identify which of the following are declarations
1 : extern int x;

2 : float square ( float x ) { ... }

3 : double pow(double, double);

1

1

2

2

3

3

1 & 3

1 & 3

Question 3

Time: 00:00:00
Which of the following statements are correct about an array?

1: The array int num[26]; can store 26 elements.

2: The expression num[1] designates the very first element in the array.

3: It is necessary to initialize the array at the time of declaration.

4: The declaration num[SIZE] is allowed if SIZE is a macro.

1

1

1,4

1,4

2,3

2,3

2,4

2,4

Question 4

Time: 00:00:00
Predict the output

#include<stdio.h>

void fun(int **p);



int main()

{

    int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 8, 7, 8, 9, 0};

    int *ptr;

    ptr = &a[0][0];

    fun(&ptr);

    return 0;

}

void fun(int **p)

{

    printf("%d\n", **p);

}

1

1

2

2

3

3

4

4

Question 5

Time: 00:00:00
What will be the output of the program if the array begins at address 65486?

#include<stdio.h>

int main()

{

    int arr[] = {12, 14, 15, 23, 45};

    printf("%u, %u\n", arr, &arr);

    return 0;

}

65486, 65486

65486, 65486

65486, 65488

65486, 65488

65486, 65490

65486, 65490

65486, 65487

65486, 65487

Question 6

Time: 00:00:00
What will be the output of the program?

#include<stdio.h>



int main()

{

  char ch;

  ch = 'A';

  printf("The letter is ");

  printf("%c", ch >= 'A' && ch <= 'Z' ? ch + 'a' - 'A':ch); 

  printf("\nNow the letter is "); 

  printf("%c\n", ch >= 'A' && ch <= 'Z' ? ch : ch + 'a' - 'A');

  return 0;

}

Error

Error

The letter is A Now the letter is a

The letter is A Now the letter is a

The letter is a Now the letter is A

The letter is a Now the letter is A

None of the mentioned

None of the mentioned

Question 7

Time: 00:00:00
What will be the output of the program?

#include<stdio.h>

int main()

{

    int i=-3, j=2, k=0, m;

    m = ++i && ++j && ++k;

    printf("%d, %d, %d, %d\n", i, j, k, m);

    return 0;

}

 

-2, 3, 1, 1

-2, 3, 1, 1

2, 3, 1, 2

2, 3, 1, 2

1, 2, 3, 1

1, 2, 3, 1

3, 3, 1, 2

3, 3, 1, 2

Question 8

Time: 00:00:00
What will be the output of the program?

#include<stdio.h>

int main()

{

    int i=4, j=-1, k=0, w, x, y, z;

    w = i || j || k;

    x = i && j && k;

    y = i || j &&k;

    z = i && j || k;

    printf("%d, %d, %d, %d\n", w, x, y, z);

    return 0;

}

1, 1, 1, 1

1, 1, 1, 1

1, 1, 0, 1

1, 1, 0, 1

1, 0, 1, 1

1, 0, 1, 1

1, 0, 0, 1

1, 0, 0, 1

Question 9

Time: 00:00:00
What will be the output of the program?



#include<stdio.h>

int main()

{

    int i=3;

    i = i++;

    printf("%d\n", i);

    return 0;

}

3

3

4

4

5

5

6

6

Question 10

Time: 00:00:00
Consider following given the code and predict its output

#include<stdio.h>



int main()

{

    int a[5] = {5, 1, 15, 20, 25};

    int i, j, m;

    i = ++a[1];

    j = a[1]++;

    m = a[i++];

    printf("%d, %d, %d", i, j, m);

    return 0;

}

2, 1, 15

2, 1, 15

1, 2, 5

1, 2, 5

3, 2, 15

3, 2, 15

2, 3, 20

2, 3, 20

null
null
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