HSC Science इयत्ता १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions

The ______ diagram gives a logical structure of the database graphically?

List few disadvantages of the file processing system.

What are the ACID properties?

Explain on Evolution of DBMS.

What is a relationship in databases? List its types.

What will be the output of the following PHP code?

<?php
$x;
if ($x)
print “hi” ;
else
print “how are u”;
?>

What will be the output of the following PHP code?

<?php
$x = 0;
if ($x++)
print “hi”;
else
print “how are u”;
?>

What will be the output of the following PHP code?

<?php
$x;
if ($x == 0)
print “hi” ;
else
print “how are u”;
print “hello”
?>

What will be the output of the following PHP code?

<?php
$a = “”;
if ($a)
print “all”;
if ______
else
print “some”;
?>

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”;
?>

Define Conditional Statements in PHP.

List out Conditional Statements in PHP.

Write the features Conditional Statements in PHP.

Differentiate Switch and if else statement.

Explain the Function of Conditional Statements in PHP.

Explain the working of Conditional Statements in PHP?

The loop exclusively used for arrays is _____.

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

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

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