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Programming in C MCQ - Decision Making and Looping

41 Consider the following program segment
i = 6720;
j = 4;
while (( i % j ) == 0)
{
i = i / j ;
j = j + 1;
}
on termination j will have the value

42 The output of the following program is
main()
{
static int x[ ] = { 1, 2, 3, 4, 5, 6, 7, 8 };
int I;
for (i = 2; i < 6; ++i )
x[ x[ i ] ] = x[ I ];
for( i =0; i < 8; ++i)
printf("%d", x[ I]);
}

43 Consider the following program
main( )
{
int x = 2, y = 5;
if (x < y)
return ( x = x + y);
else printf ("z1");
printf ("z2");
}
Choose the correct statements

44 The for loop
for( i=0; i<10; ++i)
printf("%d", i & 1);
prints

The binary representation of odd numbers will have a 1 as the least significant digit. So, an odd number ANDed with 1, produces a 1.
Even number end with 0. So. an even number ANDed with 1, produces a 0.
This for loop generates even and odd numbers alternatively.
So, it prints alternate 0's and 1's

45 Consider the program fragment
j = 2;
while ((i % j) ! = 0)
j = j + 1;
if (j < i) printf ("%d", j);
If i >= 2, then the value of j, will be printed only if

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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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