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  Arrays....
What is the difference between a variable and an array?
 
 
Why arrays are used?
 
 
 
Classes....
Differentiate between a structure and a class.
 
What do you mean by destructor?
 
What do you mean by constructor?
 
 
Functions....
When does a function need an include directive?
 
 
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
What are the differences between passing a parameter by reference and by constant reference?
 
 
 
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 a variable? Also write the rules to give name to a variable.
 
Write main steps involved in writing a C/C++ program.
 
 
Loops....
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
What is the purpose of continue statement?
 
Write a program that reads two integers and prints their Least Common Multiple (LCM).
 
 
Operators....
Explain with examples the logical operators used in C/C++.
 
Describe arithmetic operators?
 
Write a program that takes radius of a circle from the user and calculates the diameter, circumference and area of the circle and display the result.
 
 
Selection Structures....
Write a program to accept an integer and print whether the given integer is Odd or Even.
 
Explain switch statement with an example.
 
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....
Describe the syntax for defining the composition of a structure.
 
What is a structure?
 
 
 
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Here you can find questions about different topics in c language and c++ language. Similarly programming problems with their solutions by different people of the field. So that you can choose best answer of a theory question or a best solution of a programming problem.

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.