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C Programming

C Programming
Determine output:void main(){ extern int i; i=20; printf("%d", sizeof(i));}

Linker Error
2
20
Compiler Error

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C Programming
Determine Output:void main(){ int i = -1; +i; printf("i = %d, +i = %d", i, +i);}

i = 1, +i = 1
i = -1, +i = 1
None of These
i = -1, +i = -1

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C Programming
What will be printed after execution of the following program code?main(){ printf("\\nab"); printf("\\bsi"); printf("\\rha"); }

absiha
asiha
hai
None of these
haasi

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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.

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

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C Programming
Which of the following statements should be used to obtain a remainder after dividing 3.14 by 2.1 ?

Remainder cannot be obtain in floating point division.
rem = 3.14 % 2.1;
rem = modf(3.14, 2.1);
rem = fmod(3.14, 2.1);

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C Programming
What will be the output of the program ?#includevoid main(){ int a[5] = {5, 1, 15, 20, 25}; int i, j, m; i = ++a[1]; j = a[1]++; m = a[i++]; printf("%d, %d, %d", i, j, m);}

1, 2, 5
3, 2, 15
2, 1, 15
2, 3, 20

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