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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.
 
What do you mean by separation of Interface from the implementation?
 
What do you mean by constructor?
 
 
Functions....
What are the differences between passing a parameter by reference and by constant reference?
 
 
What are the advantages of using functions to modularize a program?
 
 
When does a function need an include directive?
 
 
 
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....
What is a variable? Also write the rules to give name to a variable.
 
What are the preprocessor directives?
 
Describe data types available in C++.
 
 
Loops....
Why loops are so important in all programming languages?
 
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
 
Operators....
Describe arithmetic operators?
 
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
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.
 
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.
 
What is the purpose of break statement with reference to switch statement?
 
 
 
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.