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C Programming

C Programming
What will be the output of given program?#includevoid main(){int a=3;for(;a;printf("%d ", a--);}

infinity loop
3 2 1 0
3 2 1
no output

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C Programming
Find the output of the following program.void main(){ printf("%d, %d", sizeof(int *), sizeof(int **));}

2, 0
2, 4
2, 2
4, 4
0, 2

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C Programming
A C variable cannot start with

An alphabet
A number
Both of the above
A special symbol other than underscore

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C Programming
What is right way to Initialize array?

int n(6) = { 2, 4, 12, 5, 45, 5 };
int num[6] = { 2, 4, 12, 5, 45, 5 };
int n{} = { 2, 4, 12, 5, 45, 5 };
int n{6} = { 2, 4, 12 };

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C Programming
What is the result of compiling and running this code?main(){ char string[] = "Hello World"; display(string);}void display(char *string){ printf("%s", string);}

will print Hello World
Compilation Error
None of these.
will print garbage value

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C Programming
Which of the following function calculates the square of 'x' in C?

pow(2, x)
pow(x, 2)
power(x, 2)
sqr(x)
power(2, x)

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