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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 constructor?
 
What do you mean by destructor?
 
 
Functions....
What are the differences between passing a parameter by value and by reference?
 
 
Are functions required when writing a C++ program?
 
What is meant by a function call?
 
 
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....
What is the purpose of escape sequences?
 
Write main steps involved in writing a C/C++ program.
 
What is testing and debugging?
 
 
Loops....
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
Why loops are so important in all programming languages?
 
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
 
Operators....
Describe arithmetic operators?
 
Write a program to find arithmetic mean and variance of 5 values to be given by the user.
 
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
 
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....
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.