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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 separation of Interface from the implementation?
 
What do you mean by destructor?
 
Discuss different types of constructor.
 
 
Functions....
Where can the declaration of a function be placed?
 
 
What is the difference between a function and its definition?
 
 
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 is testing and debugging?
 
What is the purpose of escape sequences?
 
Write main steps involved in writing a C/C++ program.
 
 
Loops....
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
Write a program that reads two integers and prints their Least Common Multiple (LCM).
 
 
Operators....
Describe arithmetic 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.
 
Explain relational operators used in C or C++.
 
 
Selection Structures....
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.
 
Explain switch statement with an example.
 
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.