Question 20: Which of the following is the correct way to allocate memory for an integer in C using dynamic memory allocation? c

A) int *x = malloc(sizeof(int));

C) int x = (int *)malloc(sizeof(int));

Question 22: What is the purpose of the 'break' statement in a switch statement in C?

A) To exit the switch statement and continue with the next case

C) To jump to a specific case label

Question 23: Which of the following is true about the 'const' keyword in C?

C) It is used to define a variable that cannot be modified after initialization.

) It is used to define a constant variable.

B) It is used to declare a variable as uninitialized

Question 25: What does the 'sizeof' operator in C return?

A) The size of the memory block allocated for a variable.

C) The number of elements in an array.

Question 28: What is the purpose of the 'continue' statement in a loop in C?

B) To skip the current iteration and continue with the next iteration of the loop

IEEE VEC SB

Authored by Ruthvik Vr

Computers

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30 questions

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MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

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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

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;
}

Question 3: What is the output of the following code?
c
#include <stdio.h>
int main() {
int x = 5;
printf("%d", x++);
return 0;
}

Question 4: What is the output of the following code?
c
#include <stdio.h>
int main() {
int x = 5;
printf("%d", ++x);
return 0;
}

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;
}

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;
}

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

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

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;
}

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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

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;}

Question 3: What is the output of the following code?c#include <stdio.h>int main() { int x = 5; printf("%d", x++); return 0;}

Question 4: What is the output of the following code?c#include <stdio.h>int main() { int x = 5; printf("%d", ++x); return 0;}

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;}

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;}

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

Question 8: What does the "<<" operator do in C?cA) Bitwise left shiftB) Bitwise right shiftC) 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;}

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;}

Access all questions and much more by creating a free account

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Popular Resources on Wayground

Discover more resources for Computers

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;
}

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;
}

Question 3: What is the output of the following code?
c
#include <stdio.h>
int main() {
int x = 5;
printf("%d", x++);
return 0;
}

Question 4: What is the output of the following code?
c
#include <stdio.h>
int main() {
int x = 5;
printf("%d", ++x);
return 0;
}

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;
}

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;
}

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

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

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;
}