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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 constructor?
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
Where can the declaration of a function be placed?
 
 
What is the advantage of putting a function definition in a separate file?
 
 
Why is a parameter that is passed by value referred to as "read-only"?
 
 
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....
What are the preprocessor directives?
 
What is testing and debugging?
 
What is machine language?
 
 
Loops....
Explain the syntax and purpose of for loop with an example.
 
What is the purpose of break statement?
 
Write a program that reads two integers and prints their Least Common Multiple (LCM).
 
 
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.
 
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
Describe arithmetic operators?
 
 
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 which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
What are decision statements? Explain?
 
 
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.