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12th Standard Computer Applications Looping Structure English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

Published on: 09/11/2020

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.

Questions + Answers key

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Std: 12th Standard - Computer Applications

chapter: - Model Question paper

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Questions:

Multiple Choice Question

10 x 1 = 10

What will be displayed in a browser when the following PHP code is executed:
< ?php
for (＄i=1;＄i<=5; ＄i++)
{
echo "＄i";
}
? >

(a)

12345

(b)

1234

(c)

123

(d)

None of the above

________ loops execute a block of code a specified number of times.

(a)

foreach

(b)

for

(c)

while

(d)

do..while

Which of the following is an entry check loop?

(a)

foreach

(b)

for

(c)

while

(d)

do..while

Which of the following is an exit check loop?

(a)

foreach

(b)

for

(c)

while

(d)

do..while

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

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

Consider the following code
< ? php
$$$count=12;
do{
printf(“%d squared=%d
",
$$$count, pow($$$count,2));
} while(\$$$count<4);
? >
What will be the output of the code

(a)

12 squared 141

(b)

12 squared=141

(c)

“12 squared=141”

(d)

Execution error

PHP supports which types of looping techniques;

(a)

for loop

(b)

while loop

(c)

foreach loop

(d)

all the above

What will be displayed in a browser when the following PHP code is executed:
< ?php
for ($$$counter = 20; $$$counter < 10;
$$$counter++){
echo “Welcome to Tamilnadu “;
}
echo “Counter is: $counter”;
? >

(a)

Welcome to Tamilnadu

(b)

Counter is: 20

(c)

Welcome to Tamilnadu Counter is: 22

(d)

Welcome to Tamilnadu Welcome to Tamilnadu Counter is: 22

10.

Loops that iterate for fixed number of times is called

(a)

Unbounded loops