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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 destructor?
 
Differentiate between a structure and a class.
 
Discuss different types of constructor.
 
 
Functions....
What is the advantage of compiling a function separately?
 
 
When does a function need an include directive?
 
 
What are the differences between passing a parameter by reference and by constant reference?
 
 
 
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.
 
Differentiate between compiler and interpreter.
 
What is machine language?
 
 
Loops....
Differentiate between break and continue statements.
 
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
Why loops are so important in all programming languages?
 
 
Operators....
Explain relational operators used in C or C++.
 
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.
 
 
Selection Structures....
What is the purpose of break statement with reference to switch statement?
 
 
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.