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Programming in C MCQ - Decision Making and Looping

11 Which is true of conditional compilation?

12 Consider the following program fragment

char c = ' a ';
while ( c++ <= ' z ')
putchar ( xxx );

If the required output is abcdefghijklmnopqrstuvwxyz, then xxx should be

13 Choose the statements that are syntactically correct

14 The following program fragment
for(i = 3 ; i < 15; i += 3);
printf(" %d ", i);
results in

15 The following program fragment
for (i = 1; i< 5; ++ I )
if ( i == 3) continue;
else printf( " %d " i );
results in the printing of

The use of continue statement forces the execution to skip the remainder of the current pass over the loop and initiates the next. If ' U ' is 3. print f statement will be skipped. Hence the answer is b

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Question:

How many times will the following loop be executed if the input data item is 0 1 2 3 4? while (c = getchar ()! = 0) {…

A. Infinitely
B. never
C. once
D. None of these

Correct answer: A

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