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C Programming

C Programming
Which one of the following is not a valid identifier?

exam_veda
1examians
_examians
examians1

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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 ?

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

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C Programming
Determine output:main(){ int i = 5; printf("%d%d%d%d%d", i++, i--, ++i, --i, i);}

54554
45545
45445
54544

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C Programming
Determine Output:void main(){ int i=-1, j=-1, k=0, l=2, m; m = i++ && j++ && k++ || l++; printf("%d %d %d %d %d", i, j, k, l, m);}

0 0 1 3 1
0 0 1 2 0
0 0 0 2 1
0 0 1 3 0

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C Programming
In an expression involving || operator, evaluationI.   Will be stopped if one of its components evaluates to falseII.  Will be stopped if one of its components evaluates to trueIII. Takes place from right to leftIV.  Takes place from left to right

II and III
I and II
II and IV
I and III
III and IV

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C Programming
Determine Output:void main(){ int c[] = {2.8,3.4,4,6.7,5}; int j, *p=c, *q=c; for(j=0;j<5;j++){ printf(" %d ", *c); ++q; } for(j=0;j<5;j++){ printf(" %d ", *p); ++p; }}

2.8 2.8 2.8 2.8 2.8 2.8 3.4 4
2 2 2 2 2 2 3 4 6 5
2.8 3.4 4 6.7 5 2.8 3.4 4 6.7
2 3 4 6 5 2 3 4 6 5

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