Consider the following program in C language: #include <stdio.h> main() { int i; int*pi = &i; scanf("%d",pi); printf("%d\n", i+5); } Which one of the following statements is TRUE?

On execution, the value printed is 5 more than the integer value entered

Execution results in a run-time error.

On execution, the value printed is 5 more than the address of variable i.

Which of the following statements is true about pointer arithmetic in C and C++?

Pointers can be added or subtracted by integers.

Pointers can be multiplied or divided by integers.

Pointers can be added or subtracted by other pointers.

Pointers can be divided or multiplied by other pointers.

In C, what happens if a variable declared with the register storage class is accessed using the address-of operator (&)?

The program generates a compilation error.

The variable's address is stored in a CPU register.

The variable's address is stored in memory.

The program generates a runtime error.

In the following code snippet, what happens if ptr is freed twice? int ptr = (int )malloc(sizeof(int)); free(ptr); free(ptr);

The program prints a warning message.

struct Student { char name[50]; int age; float marks; }; typedef struct Student Student; Student s1 = {"John", 20, 85.5}

Initializes a structure variable s1 with specific values.

Defines a structure and creates an object of that structure type.

Creates a pointer to a structure object named Student.

Declares a typedef alias for the structure type Student.

# include<stdio.h> int main() { int i, j, count; count =0; i=0; for(j=-3 ; j<=3 ; j++) { if((j>=0) &&(i++))count = count +j ; } count = count +i ; printf (“%d", count ) ; return 0 ; Which one of the following options is correct?

The program will compile successfully and output 10 when executed

The program will not compile successfully

The program will compile successfully and output 8 when executed.

The program will compile successfully and output 13 when executed.

Which statement is true regarding type punning with unions in C?

Type punning involves accessing different members of a union to interpret its value as different data types.

Type punning is not allowed in C.

Type punning is only possible with structures, not unions.

Type punning requires explicit casting to the desired data type.

What is the purpose of the strtok() function in C?

Tokenizes a string based on delimiters.

Searches for a substring within a string

Aadhya-Quiz-C-Programming Quiz

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

a) 9 9 9 9

b) 10 10 10 10

c) 9 10 11

d) 10 11 12

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an advantage of using switch statements over multiple if-else
statements in C?

Switch statements provide better readability

Switch statements support complex logical conditions

Switch statements offer better performance in all cases

Switch statements are more flexible in handling exceptions

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

#include <stdio.h>
int main()
{
int x = 5;
int y = 10;
int z = (x > y) ? (x++) : (y++);
printf("%d %d %d", x, y, z);
}

5 10 5

5 11 10

6 10 5

11 6 10

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following correctly demonstrates the usage of a
nested ternary operator?

(x > y) ? (x > z) ? x : z : (y > z) ? y : z

(x > y) ? (x > z) ? x : (y > z) ? y : z : x

(x > y) ? (x > z) ? x : (y > z) ? y : z : z

(x > y) ? (x > z) ? x : (y > z) ? z : y : x

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What value will x hold if a = 3 and b = 5?
x = (a > b) ? (a 2) : ((b > a) ? (b 2) : (a + b));

6

8

10

15

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

int main()
{
int x = 1, z[2] = {10, 11};
int p = NULL;
p = &x;
p = 10;
p = &z[1];
*(&z[0] + 1) += 3;
printf("%d, %d, %d\n", x, z[0], z[1]);
return 0;
}

1 10 11

10 10 14

10 14 11

1 10 14

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

int main() {
int a[] = {2, 4, 6, 8, 10};
int i, sum = 0, b = a + 4;
for (i = 0; i < 5; i++)
sum = sum + (b - i) - *(b - i);
printf("%d\n", sum);
}

8

10

11

16

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Aadhya-Quiz-C-Programming

Which of the following is an advantage of using switch statements over multiple if-else
statements in C?

#include <stdio.h>
int main()
{
int x = 5;
int y = 10;
int z = (x > y) ? (x++) : (y++);
printf("%d %d %d", x, y, z);
}

Which of the following correctly demonstrates the usage of a
nested ternary operator?

What value will x hold if a = 3 and b = 5?
x = (a > b) ? (a 2) : ((b > a) ? (b 2) : (a + b));

int main()
{
int x = 1, z[2] = {10, 11};
int p = NULL;
p = &x;
p = 10;
p = &z[1];
*(&z[0] + 1) += 3;
printf("%d, %d, %d\n", x, z[0], z[1]);
return 0;
}

int main() {
int a[] = {2, 4, 6, 8, 10};
int i, sum = 0, b = a + 4;
for (i = 0; i < 5; i++)
sum = sum + (b - i) - *(b - i);
printf("%d\n", sum);
}

Consider the function func shown below:
int func (int num)
{ int count =0 ;
while (num)
{ count ++;
num >>=1 ;
}
return (count);
}
The value returned by function (435) is________.

Consider the following function written in the
C programming language.
void foo ( char * a){
if (* a&& * a !=’ ’) {
foo (a+1)
putchar (* a)
}
}
The output of the above function on input
"ABCD EFGH" is

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Aadhya-Quiz-C-Programming

Which of the following is an advantage of using switch statements over multiple if-elsestatements in C?

#include <stdio.h>int main(){int x = 5;int y = 10;int z = (x > y) ? (x++) : (y++);printf("%d %d %d", x, y, z);}

Which of the following correctly demonstrates the usage of anested ternary operator?

What value will x hold if a = 3 and b = 5? x = (a > b) ? (a 2) : ((b > a) ? (b 2) : (a + b));

int main(){int x = 1, z[2] = {10, 11};int *p = NULL;p = &x;*p = 10;p = &z[1];*(&z[0] + 1) += 3;printf("%d, %d, %d\n", x, z[0], z[1]);return 0;}

int main() {int a[] = {2, 4, 6, 8, 10};int i, sum = 0, *b = a + 4;for (i = 0; i < 5; i++)sum = sum + (*b - i) - *(b - i);printf("%d\n", sum);}

Consider the function func shown below:int func (int num){ int count =0 ;while (num){ count ++;num >>=1 ;}return (count);}The value returned by function (435) is________.

Consider the following function written in theC programming language.void foo ( char * a){if (* a&& * a !=’ ’) {foo (a+1)putchar (* a)}}The output of the above function on input"ABCD EFGH" is

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Popular Resources on Wayground

Discover more resources for Computers

Which of the following is an advantage of using switch statements over multiple if-else
statements in C?

#include <stdio.h>
int main()
{
int x = 5;
int y = 10;
int z = (x > y) ? (x++) : (y++);
printf("%d %d %d", x, y, z);
}

Which of the following correctly demonstrates the usage of a
nested ternary operator?

What value will x hold if a = 3 and b = 5?
x = (a > b) ? (a 2) : ((b > a) ? (b 2) : (a + b));

int main()
{
int x = 1, z[2] = {10, 11};
int p = NULL;
p = &x;
p = 10;
p = &z[1];
*(&z[0] + 1) += 3;
printf("%d, %d, %d\n", x, z[0], z[1]);
return 0;
}

int main() {
int a[] = {2, 4, 6, 8, 10};
int i, sum = 0, b = a + 4;
for (i = 0; i < 5; i++)
sum = sum + (b - i) - *(b - i);
printf("%d\n", sum);
}

Consider the function func shown below:
int func (int num)
{ int count =0 ;
while (num)
{ count ++;
num >>=1 ;
}
return (count);
}
The value returned by function (435) is________.

Consider the following function written in the
C programming language.
void foo ( char * a){
if (* a&& * a !=’ ’) {
foo (a+1)
putchar (* a)
}
}
The output of the above function on input
"ABCD EFGH" is