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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?
 
What do you mean by destructor?
 
Discuss different types of constructor.
 
 
Functions....
What are the differences between passing a parameter by reference and by constant reference?
 
 
Are functions required when writing a C++ program?
 
What is the advantage of putting a function definition in a separate file?
 
 
 
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....
Describe data types available in C++.
 
What are the preprocessor directives?
 
What is a variable? Also write the rules to give name to a variable.
 
 
Loops....
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
Why the use of the goto statement generally discouraged?
 
Explain the syntax and purpose of while loop with an example.
 
 
 
Operators....
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.
 
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
 
Selection Structures....
Write a program to accept an integer and print whether the given integer is Odd or Even.
 
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.
 
 
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.