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12th Computer Applications Weekly Test - 4 ( Looping Structure )

St. Britto Hr. Sec. School - Madurai

12th Computer Applications Weekly Test - 4 ( Looping Structure )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

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

foreach
for
while
do..while

The ________ construct provides an easy way to iterate over arrays

foreach
for
while
do..while

Which of the following is an entry check loop?

foreach
for
while
do..while

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

123456713910412
123456713910
1234567139104
Infinite loop

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

**********
*********
***********
Infinite loop

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

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

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

12 squared 141
12 squared=141
“12 squared=141”
Execution error

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

What will be displayed in a browser when the following PHP code is executed:
< ?php
for (uff04i=1;uff04i<=5; uff04i++)
{
echo "uff04i";
}
? >

12345
1234
123
None of 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”;
? >

Welcome to Tamilnadu
Counter is: 20
Welcome to Tamilnadu Counter is: 22
Infinite loop

Loops that iterate for fixed number of times is called

Unbounded loops
Bounded loops
While loops
For loops

Which of the following is an exit check loop?

foreach
for
while
do..while

PHP supports four types of looping techniques;

for loop
while loop
foreach loop
all the above

Most complicated looping structure is

While
Do While
For
None of them

Part - B

Generic 3 - Answer All Question

Write the purpose of Looping Structure in PHP

Differentiate While and Do while loops.

Write the features Looping Structure.

Write short notes on Do while Loop.

Differentiate For each and While loop.

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