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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?
 
Discuss different types of constructor.
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
When does a function need an include directive?
 
 
What are the differences between passing a parameter by reference and by constant reference?
 
 
What do you mean by function overloading?
 
 
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 machine language?
 
Differentiate between compiler and interpreter.
 
Describe data types available in C++.
 
 
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 the use of the goto statement generally discouraged?
 
 
Operators....
Explain with examples the logical operators used in C/C++.
 
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
Explain relational operators used in C or C++.
 
 
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.
 
What are decision statements? Explain?
 
 
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.