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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?
 
Discuss different types of constructor.
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
When does a function need an include directive?
 
 
Where can the declaration of a function be placed?
 
 
What is the difference between a function and its definition?
 
 
 
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 testing and debugging?
 
What are the preprocessor directives?
 
What is the purpose of escape sequences?
 
 
Loops....
Explain the syntax and purpose of while loop with an example.
 
 
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
Why loops are so important in all programming languages?
 
 
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.
 
Write a program to find arithmetic mean and variance of 5 values to be given by the user.
 
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.
 
 
Selection Structures....
Write a program which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
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.