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C Programming

C Programming
Determine Output:#define clrscr() 100void main(){ clrscr(); printf("%d", clrscr());}

1
Error
100

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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
0, 2
2, 2
4, 4

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C Programming
Comment on the following?const int *ptr;

We cannot change the value pointed by ptr.
Both of the above
We can change the pointer as well as the value pointed by it.
We cannot change the pointer ptr itself.

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C Programming
What is right way to Initialize array?

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

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C Programming
Which of the following statements are correct about an array?1. The array int num[26]; can store 26 elements.2. The expression num[1] designates the very first element in the array.3. It is necessary to initialize the array at the time of declaration.4. The declaration num[SIZE] is allowed if SIZE is a macro.

1, 4
2, 4
2, 3
None of these
1

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C Programming
Determine Output:void main(){ int c = - -2; printf("c=%d", c);}

1
2
-2
Error

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