C Programming MCQ with Answers

C Programming MCQ with Answers

136) The following program fragment
int x[5][5],i, j;
for (i = 0; i < 5, ++i;)
for(j = 0; j < 5 ; j++)
x[ i ] [ j ] = x[ j ][ i ];

Answer is:

makes the given matrix x, symmetric

137) 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

Answer is:

9

138) 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]);
}

Answer is:

1 2 3 3 5 5 7 8

139) 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

Answer is:

none of above

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

Answer is:

101010101

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

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