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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?
 
Discuss different types of constructor.
 
 
Functions....
Why is a parameter that is passed by value referred to as "read-only"?
 
Where can the declaration of a function be placed?
 
 
What is the advantage of compiling a function separately?
 
 
 
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....
What is machine language?
 
Write main steps involved in writing a C/C++ program.
 
What are the preprocessor directives?
 
 
Loops....
Why the use of the goto statement generally discouraged?
 
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
Explain the syntax and purpose of for loop with an example.
 
 
Operators....
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
Describe arithmetic operators?
 
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.
 
 
Selection Structures....
What are decision statements? Explain?
 
Differentiate between the if-else structure and switch structure
 
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.