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Quiz 1

Question 1

Time: 00:00:00

Which of the following is not an iterative statement in java?

for ()

while()

iterative()

do while()

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iterative() is not an iterative statement in java rest all for(),while() and do while() are the iterative statement.

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Question 2

Time: 00:00:00

Which one of the control structures is similar to the if-else statement?

Switch-Case

For loop

While loop

Continue

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The switch case is another type of decision making control structure which can be used as a total replacement for the if-else structure. However, since it’s a more rigid structure, it’s mostly used for menu driven programs.

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Question 3

Time: 00:00:00

What will be the value of i and j after execution of the following program?

#include<stdio.h>

void main ()

{

  int i, j;

  for (int i = 0, j = 0; i < 10, j < 20; i++, j++)

    printf ("%d % d ",i,j);

}

9 10

9 19

19 19

Error

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Comma operator is executed from left to right so until j<20 for loop statement is true, so both i and j are incremented.

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Question 4

Time: 00:00:00

What will be the output of the following program?

#include<stdio.h>

void main()

{

   int a=0;

   if(a)

      printf("Prepinsta");

   printf("PrepinstaPrime");

}

Prepinsta

PrepinstaPrime

Compile time error

None of these

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As the value of variable a is zero so, it evaluates to false in the if condition. And it will print “PrepinstaPrime” as an output.

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Question 5

Time: 00:00:00

What will be the output of the following program?

#include<stdio.h>

void main ()

{

  int a = 1;

  while (a < 5)

  {

      printf ("Prepinsta");

  }

}

Print Prepinsta 1 time

Print Prepinsta 4 times

Print Prepinsta infinite times

No output

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As the value of variable a is 1 and it does not get incremented inside while loop. So “Prepinsta” will be printed infinite times.

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Question 6

Time: 00:00:00

If we want to execute loop body at least one then we have go for ?

do-while loop

while loop

for loop

None of the above

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If we Want to executed body of loop at least one then we should go for do-while loop.

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Question 7

Time: 00:00:00

Without curly braces how many statements we can take between do and while statements.

One

Two

Zero

None of the above

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Without curly braces we can take only one statement between do and while and it should not be declarative statement.

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Question 8

Time: 00:00:00

What will be the output of the following program?

#include<stdio.h>

void main()

{

  static  int a,b;

  while(a>b++);

   printf("%d %d", a,b);   

}

0 1

0 0

0 1

1 1

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while loop executes only one time because 0>0, is false and then after that the value of b will get incremented. So the output is 0 1.

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Question 9

Time: 00:00:00

How many loops are there in c ?

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There are 3 loops in c language that are for loop ,while loop and do-while loop.

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Question 10

Time: 00:00:00

Which can be used for decision making statements?

switch case

break

continue

for

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Switch statement are used for decision making statements.

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["0","40","60","80","100"]

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