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12th Standard Computer Application PHP Conditional Statements Model Question Paper

Published on: 05/08/2019

PHP Conditional Statements

Download Tamil Nadu 12th Standard Computer Applications question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 12th Standard - Computer Applications

chapter: - Model Question paper

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Questions:

Multiple Choice Question

6 x 1 = 6

What will be the output of the following PHP code ?
< ?php
if (-100)
print “hi” ;
else
print “how are u”;
? >

(a)

how are u

(b)

(c)

error

(d)

no output

What will be the output of the following PHP code ?
< ?php
$$$x = 10;
$$$y = 20;
if ($$$x > $$$y + $$$y != 3)
print “hi” ;
else
print “how are u”;
? >

(a)

how are u

(b)

(c)

error

(d)

no output

What will be the output of the following PHP code ?
< ?php
$$$a = “”;
if ($$$a)
print “all”;
else
print “some”;
? >

(a)

all

(b)

some

(c)

error

(d)

no output

Statement which is used to make choice between two options and only option is to be performed is written as

(a)

if statement

(b)

if else statement

(c)

then else statement

(d)

else one statement

What will be the output of the following PHP code ?
< ?php
$$$x;
if ($$$x == 0)
print “hi” ;
else
print “how are u”;
print “hello”
? >

(a)

how are uhello

(b)

hihello

(c)

(d)

no output

What will be the output of the following PHP code?
< ? php
$$$ x;
if ($$$x)
print “hi” ;
else
print “how are u”;
? >

(a)

how are u

(b)

(c)

error

(d)

no output

Generic 2

6 x 2 = 12

How Switch statement and if statement differs?

What IS"if statement" in PHP?

How conditional statements perform?

10.

What is the purpose of the if ... else statement?

11.

Write the syntax for an if statement in PHP.

12.

What are the different types of conditional statements in PHP?

Generic 3

6 x 3 = 18

13.

Write, a PHP program to display independenc day and republic day the greetings using If elseif else statement.

14.

Write a php program to birthday greetings using if statement.

15.

Write a PHP code to display "Have a nice weekend!" if the current day is Friday, otherwise it will output "Have a nice day!" using if-else statement.

16.

Differentiate if statement and if elseif else statement.

17.

Write Short notes on Switch statement

18.

Differentiate Switch and if else statement.

Match the following

4 x 1 = 4

19.

Switch case statement

20.

If elseif else statement

21.

If-else statement

22.

Simple if statements

Generic 5

1 x 5 = 5

23.

Write a PHP code to display the days of weak using switch statement

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Answers Key:

Multiple Choice Question

6 x 1 = 6

(b)
hi

(b)
hi

(b)
some

(b)
if else statement

(b)
hihello

(a)
how are u

Generic 2

6 x 2 = 12

Switch statements work the same as if statements but they can check for multiple values at a time

The If Statement is a way to make decisions based upon the result of a condition.

It performs different actions for different decisions in programing language

10.

The if ... else statement is a conditional statement in PHP. It executes one block of code if a condition is true and another block of code if the condition is false.

11.

Syntax:
if (condition)
{
//code to be executed if condition is true;
}

12.

There are several types of conditional statements in PHP. They are
1. 'if' statement
2. 'if...else' statement
3. 'if...elseif...else' statement
4. 'switch' statement

Generic 3

6 x 3 = 18

13.

< ?php
＄x = "August";
if (＄x == "January'') {
echo "Happy Republic Day";
}
elseif (＄x == "August'') {
echo "Happy Independence Day!!!";
}
else{
echo "Nothing to show";
}
? >

14.

< ?php
＄date=date("m-d'');
if (＄date== > >01-10 > >)
{
echo "Wishing you a very Happy Birthday";
}
? >

15.

< ?php·
＄d=date("D'');
if(＄d=="Fri'')
{
echo"Have a nice weekend!";
}
Else
{
echo"Have a nice day!";
}
? >

16.

No.	if elseif else statement	if statement
1	If-elseif-else statement is a combination of if-else statement.	If statement executes a single statement
2	More than one statement can execute the condition based on user needs	Only one statement can execute
3	If the condition if false more alternatives are there.	If the condition is false, there is no alternative.

17.

(i) The switch-case statement is an alternative to if... elseif... else statement which does almost the same thing.
(ii) The switch-case statement tests a variable against a series of values until it finds a match, and then executes the block of code corresponding to that match.
(iii) The switch statement executes line by line, unlike if... elseif...else.
(iv) It also executes all the subsequent case statement till the end of the switch block automatically.
(v) To prevent this add a break statement to the end of each case block.

18.

Switch Statement	If else statement
Switch statement uses single expression for multiple choices.	if-else statement uses multiple statement for multiple choices.
It test only for equality.	It test for equality as well as for logical expression.
Statement will be executed is decided by user.	Evaluates any type
If switch statements does not match any cases, the default statements is executed.	If the condition fails, then by default the else statement is executed.

Match the following

4 x 1 = 4

19.

Alternative statement

20.

Only one option

21.

Combination of if-else statement

22.

Multiple branching

Generic 5

1 x 5 = 5

23.

< ?php
＄today=date("D'') ;
switch(＄today)
{
case"Mon":
echo"Today is Monday. ";
break;
case''Tue'':
echo''Today is Tuesday.";
break;
case''Wed'':
echo''Today is Wednesday.";
break;
case''Thu'':echo''Today is Thursday.";
break;
case"Fri":
echo''Today is Friday. Party tonight.";
break;
case"Sat":echo''Today is Saturday.";
break;
case"Sun":
echo''Today is Sunday.";
break;
default:
echo"No information available for that day.";
break;
}
? >