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  Arrays....
What is the difference between a variable and an array?
 
 
Why arrays are used?
 
 
 
Classes....
What do you mean by destructor?
 
Differentiate between a structure and a class.
 
What do you mean by constructor?
 
 
Functions....
What is the advantage of putting a function definition in a separate file?
 
 
What is the difference between a function and its definition?
 
 
What are the advantages of using functions to modularize a program?
 
 
 
Input / Output....
Why we include iostream.h file in all of the programs of c++?
 
 
Write a program that finds the roots of the quadratic equation.
 
 
Introduction....
Describe data types available in C++.
 
What is testing and debugging?
 
Differentiate between Low Level Languages and High Level Languages.
 
 
Loops....
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
What is the purpose of break statement?
 
Explain the syntax and purpose of for loop with an example.
 
 
Operators....
Explain relational operators used in C or C++.
 
Describe arithmetic operators?
 
Write a program to find arithmetic mean and variance of 5 values to be given by the user.
 
 
Selection Structures....
Explain switch statement with an example.
 
Write a program which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
What is the purpose of break statement with reference to switch statement?
 
 
 
Structures....
What is a structure?
 
Describe the syntax for defining the composition of a structure.
 
 
 
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Life before Computers:

Window was a square or rectangular hole in a room.

Application was something written in paper.

Mouse was an animal.

Keyboard was a Piano.

File was an important office material.

Hard Drive was an uncomfortable road trip.

Cut was done with Knife and Paste was done with Glue.

Web was spider's home.

Virus was flue.

Apple and Blackberry were just fruits.