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  Arrays....
Why arrays are used?
 
 
What is the difference between a variable and an array?
 
 
 
Classes....
Differentiate between a structure and a class.
 
What do you mean by separation of Interface from the implementation?
 
What do you mean by destructor?
 
 
Functions....
When does a function need an include directive?
 
 
Why is a parameter that is passed by value referred to as "read-only"?
 
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....
Write main steps involved in writing a C/C++ program.
 
What is machine language?
 
What is a variable? Also write the rules to give name to a variable.
 
 
Loops....
Explain the syntax and purpose of for loop with an example.
 
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-.
 
Differentiate between break and continue statements.
 
 
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.
 
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
 
Selection Structures....
What are decision statements? Explain?
 
Write a program which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
 
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.