Tamil Nadu Board of Secondary EducationHSC Science Class 12th

# Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Computer Application Answers Guide chapter 7 - Looping Structure [Latest edition]

## Chapter 7: Looping Structure

Evaluation - PART – IEvaluation - PART – IIEvaluation - PART – IIIEvaluation - PART – IV
Evaluation - PART – I [Pages 116 - 117]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Computer Application Answers Guide Chapter 7 Looping Structure Evaluation - PART – I [Pages 116 - 117]

Evaluation - PART – I | Q 1. | Page 116

The loop exclusively used for arrays is _____.

• While

• Do While

• For

• for each

Evaluation - PART – I | Q 2. | Page 116

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

• Unbounded loops

• Bounded loops

• While loops

• For loops

Evaluation - PART – I | Q 3. | Page 116

Which loop evaluates condition expression as Boolean, if it is true, it executes statements and when it is false it will terminate?

• For loop

• For each loop

• While loop

• All of them

Evaluation - PART – I | Q 4. | Page 116

for ($x=0;$ x<5; x++)
echo “Hai”
The above loop executes how many no of times?

• 5

• 4

• 3

• 2

Evaluation - PART – I | Q 5. | Page 117

What will be displayed in a browser when the following PHP code is executed:

<?php
for (Scounter = 20; $counter< 10;$counter++)
{
}
echo “Counter is: Scounter”;
?>

• Counter is: 20

• Welcome to Tamilnadu Counter is: 22

Evaluation - PART – I | Q 6. | Page 117

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”;
}
?>
• Hello Hello Hello Hello Hello

• Hello Hello Hello

• Hello

• None of the above

Evaluation - PART – I | Q 7. | Page 117

PHP supports which types of looping techniques ______.

• for loop

• while loop

• foreach loop

• all the above

Evaluation - PART – I | Q 8. | Page 117

Consider the following code

<? php
$count=12; do{ printf(“%d squared=%d<br/>”,$count, pow($count,2)); } while($count<4);
?>

What will be the output of the code.

• 12 squared 141

• 12 squared=141

• “12 squared=141”

• Execution error

Evaluation - PART – I | Q 9. | Page 117

What will be the output of the following PHP code?

<?php
for ($x = 1;$x < 10;++$x) { print “*\t”; } ?> • ********** • ********* • *********** • Infinite loop Evaluation - PART – I | Q 10. | Page 117 What will be the output of the following PHP code? <?php for ($x = -1; $x < 10;--$x)
{
print \$x;
}
?>
• 123456713910412

• 123456713910

• 1234567139104

• Infinite loop

Evaluation - PART – II [Page 118]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Computer Application Answers Guide Chapter 7 Looping Structure Evaluation - PART – II [Page 118]

Evaluation - PART – II | Q 1. | Page 118

Define Looping Structure in PHP.

Evaluation - PART – II | Q 2. | Page 118

Define for loop in PHP.

Evaluation - PART – II | Q 3. | Page 118

What is For each loop in PHP?

Evaluation - PART – II | Q 4. | Page 118

List out Looping Structure in PHP.

Evaluation - PART – II | Q 5. | Page 118

Write Syntax of For loop in PHP.

Evaluation - PART – II | Q 6. | Page 118

Write Syntax of For each loop in PHP.

Evaluation - PART – II | Q 7. | Page 118

Write Syntax of while loop in PHP.

Evaluation - PART – II | Q 8. | Page 118

Write Syntax of Do while loop in PHP.

Evaluation - PART – II | Q 9. | Page 118

Compare for loop and for each loop.

Evaluation - PART – II | Q 10. | Page 118

Explain the use of for each loop in PHP.

Evaluation - PART – III [Page 118]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Computer Application Answers Guide Chapter 7 Looping Structure Evaluation - PART – III [Page 118]

Evaluation - PART – III | Q 1. | Page 118

Write the features Looping Structure.

Evaluation - PART – III | Q 2. | Page 118

Write the purpose of Looping Structure in PHP.

Evaluation - PART – III | Q 3. | Page 118

Differentiate For each and While loop.

Evaluation - PART – III | Q 4. | Page 118

Write short notes on Do while Loop.

Evaluation - PART – III | Q 5. | Page 118

Differentiate While and Do while loops.

Evaluation - PART – IV [Page 118]

### Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Computer Application Answers Guide Chapter 7 Looping Structure Evaluation - PART – IV [Page 118]

#### Explain in detail

Evaluation - PART – IV | Q 1. | Page 118

Explain Looping Structure in PHP.

Evaluation - PART – IV | Q 2. | Page 118

Discuss in detail about Foreach loop.

Evaluation - PART – IV | Q 3. | Page 118

Explain the process Do while loop.

Evaluation - PART – IV | Q 4. | Page 118

Explain concepts of for loop with example.

Evaluation - PART – IV | Q 5. | Page 118

Explain working of loops in array.

## Chapter 7: Looping Structure

Evaluation - PART – IEvaluation - PART – IIEvaluation - PART – IIIEvaluation - PART – IV

## Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Computer Application Answers Guide chapter 7 - Looping Structure

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Concepts covered in Class 12th Computer Application Answers Guide chapter 7 Looping Structure are Looping Structure.

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