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C Programming

C Programming
Which one of the following is not a reserved keyword for C?

case
default
main
register
auto

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C Programming
The output of the following program is:#define f(g,g2) g##g2void main(){ int var12=100; printf("%d", f(var,12));}

10012
100
g##g2
Syntax error
Runtime error

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C Programming
The function scanf() returns .........

ASCII value of the input read.
0
The number of successful read input values.
1
The actual values read for each argument.

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

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

1 1 1
0 0 0
garbage values
Error

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

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

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