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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 constructor?
 
Differentiate between a structure and a class.
 
What do you mean by destructor?
 
 
Functions....
What do you mean by function overloading?
 
What are the differences between passing a parameter by value and by reference?
 
 
When does a function need an include directive?
 
 
 
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....
Write main steps involved in writing a C/C++ program.
 
What is the purpose of escape sequences?
 
Differentiate between compiler and interpreter.
 
 
Loops....
Explain the syntax and purpose of while loop with an example.
 
 
Differentiate between break and continue statements.
 
Why the use of the goto statement generally discouraged?
 
 
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.
 
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 to accept temperature in Centigrade and convert into Fahrenheit.
 
 
Selection Structures....
What is the purpose of break statement with reference to switch statement?
 
 
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.
 
 
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.