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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 destructor?
 
What do you mean by constructor?
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
Why is a parameter that is passed by value referred to as "read-only"?
 
What are the differences between passing a parameter by reference and by constant reference?
 
 
What are the advantages of using functions to modularize a program?
 
 
 
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....
Differentiate between Low Level Languages and High Level Languages.
 
Write main steps involved in writing a C/C++ program.
 
Differentiate between compiler and interpreter.
 
 
Loops....
What is the purpose of continue statement?
 
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
Explain the syntax and purpose of while loop with an example.
 
 
 
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 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.
 
Write a program which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
Differentiate between the if-else structure and switch structure
 
 
Structures....
What is a structure?
 
Describe the syntax for defining the composition of 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.