C Programming Quiz

Choose the correct statement while (0 == 0) { }

• It has syntax error as there are no statements within braces {}

• It will run forever

• It compares 0 with 0 and since they are equal it will exit the loop immediately

• It has syntax error as the same number is being compared with itself

Given the below statements about C programming language; 1) main() function should always be the first function present in a C program file 2) all the elements of an union share their memory location 3) A void pointer can hold address of any type and can be typecasted to any type 4) A static variable hold random junk value if it is not initialised Which of the above are correct statements?

• 2,3

• 1,2

• 1,2,3

• 1,2,3,4

Which one is used during memory deallocation in C?

• remove(p);

• delete(p);

• free(p);

• terminate(p);

Predict the output of following code: main() { int a=b=c=d=10; printf("%d,%d,%d,%d",a,b,c,d); }

• Error

• 10,10,10,10

• Garbage Value,Garbage Value,Garbage Value,10

• Garbage Value,Garbage Value,Garbage Value,Garbage Value

How many times the below loop will be executed? #include int main() { int i; for(i=0;i<5;i++) printf("Hello\n"); }

• 5

• 1

• 0

• 3

Predict the output of following code: main() { int a=10,x; x= a- + ++a; printf("%d",x); }

• A) 19

• B) 20

• C) 22

• D) 23

Which of the following does not require to include math.h header file?

• A) pow()

• B) rand()

• C)sqrt()

• D) sinh()

An array elements are always stored in ________ memory locations.

• A. Sequential

• B.Random

• C.Sequential and Random

• D.None of the above

In C Programming, If we need to store word "INDIA" then syntax is as below - char name[]; name = "INDIA"

• A. char name[6] = {'I','N','D','I','A'};

• B.char name[6] = {'I','N','D','I','A','\0'}

• C.char name[6] = {"I","N","D","I","A"}

• D.name = "INDIA"

What will be printed after execution of the following code? void main() { int arr[10] = {1,2,3,4,5}; printf("%d", arr[5]); }

• A. Garbage Value

• B.5

• C.6

• D.0

• E.None of these