Explore topic-wise InterviewSolutions in Current Affairs.

A Flow Chart is a pictorial representation of an algorithm that uses symbols to denote different types of instructions. The actual instructions are written with in the boxes using clean and concise statements.

Mini computer is comparatively small in size and less cost. The memory and speed is medium.

It is a type of computer. It is very small in size. The memory power and speed of computer is limited.

It is a type of computer. It is large in size and their storage capacity is also very large. They work with a super speed.

The types of computer are: 

1. Super Computer 

2. Main Frame Computer 

3. Mini Computer 

4. Micro Computer.

A large computer called main frame computer. Its components are fitted in large frame.

if (1st condition)

{

Execute statement(s) if condition is true;

}

elseif(2nd condition)

{

Execute statement(s) if 2nd condition is true; 

}

else

{

Execute statement(s) if both conditions are false;

}

The block of statements have to be enclosed with {}

Switch can check for multiple values at a time.

If statements have to be given in ()

The if statement contains boolean expressions

If:

If statement executes a statement or a group of statements if a specific condition is satisfied as per the user expectation. When the condition fails, nothing happens.

If else: 

If statement executes a statement or a group of statements if a specific condition is satisfied by the user expectation. When the condition gets false (fail) the else block is executed.

1. The switch statement is used to perform different actions based on different conditions. 

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

if (condition)

{

Execute statement(s) if condition is true;

}

else

{

Execute statement(s) if condition is false;

}

1. If-elseif-else statement is a combination of ifelse statement.

2. More than one statement can execute the condition based on user needs.

If else statement in PHP:

1. If statement executes a statement or a group of statements if a specific condition is satisfied by the user expectation.

2. When the condition gets false (fail) the else block is executed.

Syntax:

if (condition)

{

Execute statement(s) if condition is true;

}

else

{

Execute statement(s) if condition is false;

}

Correct Answer is: (c) error

(d) no output

Correct Answer is: (c) error

Correct Answer is: (c) error

If statement executes a statement or a group of statements if a specific condition is satisfied as per the user expectation.

Syntax: if (condition)

{

Execute statement(s) if condition is true;

}

Output

(i) (b) hi

(ii) (b) hi

Output

(b) hi

(d) how are u

(b) if else statement

(b) if else statement

Answer is (c) error

Answer is (c) error

if Statement

1. if…else Statement 

2. if…elseif….else Statement 

3. switch Statement

Conditional statements are useful for writing decision making logics. It is most important feature of many programming languages, including PHP.

They are implemented by the following types:

1. if Statement 

2. if…else Statement

3. if…elseif….else Statement

4. switch Statement

Switch Case:

1. The switch statement is used to perform different actions based on different conditions.

2. Switch statement tests only for equality.

3. More case values can be given.

4. When all the case values are not matched, then default will be executed.

Syntax:

switch (n) {

case label 1:

code to be executed if n=labe11;

break;

case labe12:

code to be executed if n=labe12;

break;

case labe13:

code to be executed if n=labe13;

break;

…….

default:

code to be executed if n is different from all labels;

}

1. The switch statement is used to perform different actions based on different conditions. 

2. It tests for equality only. – 

3. It uses default value, when all the case values are not matched.

4. It can have multiple ease values.

Conditional statements are useful for writing decision making logics. It is most important feature of many programming languages, including PHP.

They are implemented by the following types:

(i) if Statement:

If statement executes a statement or a group of statements if a specific condition is satisfied as per the user expectation.

(ii) if…else Statement:

If statement executes a statement or a group of statements if a specific condition is satisfied by the user expectation. When the condition gets false (fail) the else block is executed.

(iii) if…elseif….else Statement:

If-elseif-else statement is a combination of if-else statement. More than one statement can execute the condition based on user needs.

(iv) Switch Case:

The switch statement is used to perform different actions based on different conditions based on different conditions.

Function Conditional Statements:

1. Function conditional statement is the function specified inside the conditional statements.

2. We can’t call conditional function before its definition.

Syntax:

if(expression)

{

function function_name( )

{

block of statements;

}

}

function_name( ); // calling function.

Eg:

<?php

display();

If(TRUE)

{

function display( )

{

echo “condition and function”;

}

}

Output: condition and function

if elseif else statement:

1. If-elseif-else statement is a combination of ifelse statement.

2. More than one statement can execute the condition based on user needs.

3. If the condition is false more alternatives are there.

Switch:

1. Switch statement uses single expression for multiple choices.

2. If all the cases are not matched default will be executed.

3. It test only for equality.

4. It evaluates only for character or integer

If-else: 

1. If else statement uses multiple statement for multiple choices.

2. Nothing happens.

3. It tests for equality as well as for logical ‘ expressions.

4. any data type is allowed.

1. If statement executes a statement or a group of statements if a specific condition is satisfied by the user expectation. When the condition gets false (fail) the else block is executed.

2. If-elseif-else is a combination of if-else statement.

3. More than one statement can execute the condition based on user needs.

4. User can select from many choices.

There are 4 types of php conditional statements

PHP Conditional statements:

1. Conditional statements are useful for writing decision making logics.

2. It is most important feature of many programming languages, including PHP.

3. They are implemented by the following types:

4. if Statement 

5. if…else Statement

6. if…elseif….else Statement

7. switch Statement

The default block will be executed if it is not matched with any of the case values in switch.

The switch statement is used to perform different actions based on different conditions.

Answer is (b) else

If else statement in PHP:

If statement executes a statement or a group of statements if a specific condition is satisfied by the user expectation. When the condition gets false (fail) the else block is executed.

Syntax:

if (condition)

{

Execute statement(s) if condition is true;

}

else

{

Execute statement(s) if condition is false;

}

Example:

<?php

$pass_Mark = 35;

$Student_Mark = 70;

if($Student_Mark>=$Pass_Mark)

{

echo “The Student is eligible for the promotion”;

}

else 

{

echo “The Student is not eligible for the promotion”;

}

?>

If elseif else statement in PHP:

If-elseif-else statement is a combination of if-else statement. More than one statement can execute the condition based on user needs. 

Syntax:

if (1st condition)

{

Execute statement(s) if condition is true;

}

elseif(2nd condition)

{

Execute statement(s) if 2nd condition is true;

}

else

{

Execute statement(s) if both conditions are false;

}

Example:

<?php

$pass_Mark = 35;

$frist_class=60;

$Student_Mark=70;

if($Student_Mark>=$frist_class)

{

echo" The Student is eligible for the promotion with with Frist Class";

elseif($Student_Mark>=$pass_Mark)

{

echo "The Student is eligible for the promotion";

}

else

{

echo “The Student is not eligible for the promotion”;

}?>

switch (n)

{

case label 1:

code to be executed if n=label 1; break; case label2:

code to be executed if n=label2; break; case label3:

code to be executed if n=label3; break; 

default:

code to be executed if n is different from all labels;

Osmotic pressure:- The excess pressure is exerted on the surface of solution to just prevent osmosis is called osmotic pressure. It depends upon the molal concentration. Hence it is a colligative property.

According to Van't Hoff π ∝ C (at constant temp.) and π ∝ T (At constant Concentration)

Both laws are combined, we have

π ∝ CT and c = n/v; π = RCT; π = n/v RT

or, πv = nRT or, π = W/M RT

Where M = molecular weight and R = Gas constant.

The correct answer is D) Both A & B.

Pollination by wind is called Anemophilous. It happens in coconut palm, date palm, maize, grasses etc. Their some characters are as such:

(i) Flowers are inconspicuous and not showy.

(ii) They are colourless and odourless.

(iii) Produce large quantities of dusty pollens.

(iv) Flowers grow in large groups.

(v) stigmas are stickly, hairy, feathery or branched.

Jim Corbett National Park (Uttarakhand) and Kaziranga National Park (Assam).

The correct answer is C) Carbon dioxide.