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  Arrays....
Why arrays are used?
 
 
What is the difference between a variable and an array?
 
 
 
Classes....
What do you mean by constructor?
 
What do you mean by destructor?
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
Why is a parameter that is passed by value referred to as "read-only"?
 
Are functions required when writing a C++ program?
 
 
Input / Output....
Write a program that finds the roots of the quadratic equation.
 
Why we include iostream.h file in all of the programs of c++?
 
 
 
Introduction....
Describe data types available in C++.
 
What is a variable? Also write the rules to give name to a variable.
 
What are the preprocessor directives?
 
 
Loops....
Why loops are so important in all programming languages?
 
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
What is the purpose of break statement?
 
 
Operators....
Describe arithmetic operators?
 
Explain relational operators used in C or C++.
 
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 which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
What are decision statements? Explain?
 
Differentiate between the if-else structure and switch structure
 
 
Structures....
What is a structure?
 
Describe the syntax for defining the composition of 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.