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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 separation of Interface from the implementation?
 
Discuss different types of constructor.
 
Differentiate between a structure and a class.
 
 
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....
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 the purpose of escape sequences?
 
How and why comments be used in a C/C++ program?
 
Write main steps involved in writing a C/C++ program.
 
 
Loops....
Write a program that reads two integers and prints their Least Common Multiple (LCM).
 
What is the purpose of continue statement?
 
Why the use of the goto statement generally discouraged?
 
 
Operators....
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
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.
 
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.
 
 
Selection Structures....
What are decision statements? Explain?
 
Differentiate between the if-else structure and switch structure
 
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....
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.