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Programming in C MCQ - I/O Operations

26 A possible output of the following program fragment
static char wer [ ] [5] = { "harmot", "merli", "axari" };
printf({"%d%d%d", wer, wer[0], &wer[0][0]);
is

27 The following program
main( )
{
printf ("%u", main);
}
results in

Like array name, name of a function is a pointer to it.

28 int i = 5;
is a statement in a C program. Which of the following are true?

29 The following program
main ()
{
float a = .5, b = .7;
if (b < .7)
{
if (a < .5)
printf("TELO");
else
printf("LTTE");
}
else printf("JKLF");
}

It will print 'LTTE' as a and b are of float type.

30 What is the output of the following program segment?
void max { int x, int y, int m)
{ if (x > 5) m = x;
else m = y;
}
int main()
{
int i = 20, j = 5, k = 0;
max(i, j, k ); printf("%d", k) ;
}

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Question:

The following statement printf( ‘%f ’, 9/5) ; prints

A. 1.8
B. 1.0
C. 2.0
D. 0.00

Correct answer: D

Explanation:

This statement is undefined behavior because the argument has to be of type double and 9 / 5 is of type int. Following program yields an output of…

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