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  Arrays....
Why arrays are used?
 
 
What is the difference between a variable and an array?
 
 
 
Classes....
What do you mean by destructor?
 
Discuss different types of constructor.
 
What do you mean by constructor?
 
 
Functions....
When does a function need an include directive?
 
 
Where can the declaration of a function be placed?
 
 
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....
How and why comments be used in a C/C++ program?
 
What is testing and debugging?
 
Differentiate between compiler and interpreter.
 
 
Loops....
Differentiate between break and continue statements.
 
What is the purpose of break statement?
 
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
 
Operators....
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
Describe arithmetic operators?
 
Explain relational operators used in C or C++.
 
 
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.
 
Write a program to calculate the electricity bill on the following rates. Cost is USD 0.213 per unit for first 100 units, US$ 0.423 per unit for next 200 units and US$ 0.675 for remaining units. General Sales Tax is added to the bill at the rate of 15% of the total cost of electricity.
 
 
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.