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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 constructor?
 
Differentiate between a structure and a class.
 
What do you mean by destructor?
 
 
Functions....
What is the difference between a function and its definition?
 
 
What are the differences between passing a parameter by value and by reference?
 
 
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 testing and debugging?
 
How and why comments be used in a C/C++ program?
 
Differentiate between compiler and interpreter.
 
 
Loops....
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
Explain the syntax and purpose of for loop with an example.
 
 
Operators....
Explain relational operators used in C or C++.
 
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 with examples the logical operators used in C/C++.
 
 
Selection Structures....
Write a program which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
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?
 
 
 
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.