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  Arrays....
Why arrays are used?
 
 
What is the difference between a variable and an array?
 
 
 
Classes....
Differentiate between a structure and a class.
 
Discuss different types of constructor.
 
What do you mean by destructor?
 
 
Functions....
What do you mean by function overloading?
 
Why is a parameter that is passed by value referred to as "read-only"?
 
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
 
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....
How and why comments be used in a C/C++ program?
 
Describe data types available in C++.
 
What is the purpose of escape sequences?
 
 
Loops....
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
Differentiate between break and continue statements.
 
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
 
Operators....
Describe arithmetic operators?
 
Write a program that inputs a five-digit number, find the number in reverse order. Also find the difference between the new number and the original number.
 
Write a program to find arithmetic mean and variance of 5 values to be given by the user.
 
 
Selection Structures....
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
What are decision statements? Explain?
 
Write a program to calculate the electricity bill on the following rates. Cost is USD 0.213 per unit for first 100 units, US$ 0.423 per unit for next 200 units and US$ 0.675 for remaining units. General Sales Tax is added to the bill at the rate of 15% of the total cost of electricity.
 
 
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.