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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 destructor?
 
Differentiate between a structure and a class.
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
Are functions required when writing a C++ program?
 
Why is a parameter that is passed by value referred to as "read-only"?
 
What is the advantage of compiling a function separately?
 
 
 
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 a variable? Also write the rules to give name to a variable.
 
Describe data types available in C++.
 
Differentiate between compiler and interpreter.
 
 
Loops....
Differentiate between break and continue statements.
 
Write a program that will generate a random number in the range 1 to 999. The user is to guess the number. Your program provides maximum 10 attempts to the user. The user inputs his/her guess. The program helps the user in such a way that it tells the user if the guess is larger or smaller than the number. In case of success the program displays - You have succeeded - along with number of attempts made, other wise -Sorry you could not guess-.
 
Why loops are so important in all programming languages?
 
 
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.
 
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.
 
Explain relational operators used in C or C++.
 
 
Selection Structures....
Write a program to accept an integer and print whether the given integer is Odd or Even.
 
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
Explain switch statement with an example.
 
 
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.