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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....
What is the advantage of putting a function definition in a separate file?
 
 
What are the differences between passing a parameter by reference and by constant reference?
 
 
What are the differences between passing a parameter by value and by reference?
 
 
 
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?
 
Differentiate between Low Level Languages and High Level Languages.
 
How and why comments be used in a C/C++ program?
 
 
Loops....
What is the purpose of break statement?
 
What is the purpose of continue statement?
 
Why loops are so important in all programming languages?
 
 
Operators....
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.
 
Explain with examples the logical operators used in C/C++.
 
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
 
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.
 
 
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.