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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 constructor?
 
What do you mean by separation of Interface from the implementation?
 
What do you mean by destructor?
 
 
Functions....
What are the differences between passing a parameter by value and by reference?
 
 
What is the difference between a function and its definition?
 
 
What are the advantages of using functions to modularize a 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....
What is testing and debugging?
 
Describe data types available in C++.
 
What are the preprocessor directives?
 
 
Loops....
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
Explain the syntax and purpose of for loop with an example.
 
Write a program that reads two integers and prints their Least Common Multiple (LCM).
 
 
Operators....
Write a program to find arithmetic mean and variance of 5 values to be given by the user.
 
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 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....
Explain switch statement with an example.
 
What are decision statements? Explain?
 
Differentiate between the if-else structure and switch structure
 
 
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.