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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?
 
What do you mean by constructor?
 
Differentiate between a structure and a class.
 
 
Functions....
Why is a parameter that is passed by value referred to as "read-only"?
 
What is the advantage of putting a function definition in a separate file?
 
 
Where can the declaration of a function be placed?
 
 
 
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?
 
What is machine language?
 
What are the preprocessor directives?
 
 
Loops....
What is the purpose of continue statement?
 
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?
 
 
 
Operators....
Explain with examples the logical operators used in C/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.
 
Write a program to find arithmetic mean and variance of 5 values to be given by the user.
 
 
Selection Structures....
Differentiate between the if-else structure and switch structure
 
What is the purpose of break statement with reference to switch statement?
 
 
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
 
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.