#### Looping Structure Book Back Questions

12th Standard

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Computer Applications

Time : 00:45:00 Hrs
Total Marks : 30
5 x 1 = 5
1. Most complicated looping structure is

(a)

While

(b)

Do While

(c)

For

(d)

None of them

2. Loops that iterate for fixed number of times is called

(a)

Unbounded loops

(b)

Bounded loops

(c)

While loops

(d)

For loops

3. What will be displayed in a browser when the following PHP code is executed
< ?php
for (counter = 10; \$counter < 10; \$counter = counter + 5){
echo “Hello”;
}
? >

(a)

Hello Hello Hello Hello Hello

(b)

Hello Hello Hello

(c)

Hello

(d)

None of the above

4. What will be the output of the
following PHP code ?
< ?php
for (x = 1; x < 10;++x)
{
print “*\t”;
}
? >

(a)

**********

(b)

*********

(c)

***********

(d)

Infinite loop

5. What will be the output of the
following PHP code ?
< ?php
for (x = -1; x < 10;--x)
{
print x;
}
? >

(a)

123456713910412

(b)

123456713910

(c)

1234567139104

(d)

Infinite loop

6. 3 x 2 = 6
7. Define Looping Structure in PHP

8. Write Syntax of For loop in PHP.

9. Write Syntax of Do while loop in PHP.

10. 3 x 3 = 9
11. Write the features Looping Structure.

12. Differentiate For each and While loop.

13. Differentiate While and Do while loops.

14. 2 x 5 = 10
15. Explain the process Do while loop.

16. Explain working of loops in array