IEEE VEC SB

Question 1: What is the output of the following code?

c

#include <stdio.h>

int main() {

int x = 5;

int y = x++;

printf("%d", y);

return 0;

}

• A) 5

• B) 6

• C) 7

• D)8

Answer explanation

a

Question 2: What will be the value of 'y' after this code is executed?

c

#include <stdio.h>

int main() {

int x = 3;

int y = x++ + ++x;

printf("%d", y);

return 0;

}

• A) 6

• B) 7

• C) 8

• D) 10

Question 3: What is the output of the following code?

c

#include <stdio.h>

int main() {

int x = 5;

printf("%d", x++);

return 0;

}

• A) 4

• B) 5

• C) 7

• D) 9

Question 4: What is the output of the following code?

c

#include <stdio.h>

int main() {

int x = 5;

printf("%d", ++x);

return 0;

}

• A) 5

• B)6

• C) 7

• D) 111

Question 5: What is the size of the character array "str" in bytes in the following code?

c

#include <stdio.h>

int main() {

char str[] = "Hello, World!";

printf("%d", sizeof(str));

return 0;

}

• A) 12

• B) 14

• C) 13

Question 6: What is the value of 'x' after this code is executed?

c

#include <stdio.h>

int main() {

int x = 5;

x *= x + 1;

printf("%d", x);

return 0;

}

• A) 25

• B) 30

• C) 35

Question 7: What is the value of 'y' after this code is executed?

c

#include <stdio.h>

int main() {

int x = 10;

int y = x > 5 ? x++ : x--;

printf("%d", y);

return 0;

}

V

• A) 10

• B) 11

• C) 9

Question 8: What does the "<<" operator do in C?

c

A) Bitwise left shift

B) Bitwise right shift

C) Logical left shift

• A) Bitwise left shift

• B) Bitwise right shift

• C) Logical left shift

Question 9: What is the value of 'y' after this code is executed?

c

#include <stdio.h>

int main() {

int x = 5;

int y = (x++) + (x++);

printf("%d", y);

return 0;

}

• A) 9

• B) 1O

• C) 11

Question 10: What is the value of '*ptr' after this code is executed?

c

#include <stdio.h>

int main() {

int x = 10;

int *ptr = &x;

printf("%d", *ptr++);

return 0;

}

• A) 10

• B) 11

• C) 12