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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 separation of Interface from the implementation?
 
 
Functions....
What is the advantage of compiling a function separately?
 
 
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....
How and why comments be used in a C/C++ program?
 
What are the preprocessor directives?
 
Differentiate between compiler and interpreter.
 
 
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-.
 
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
 
Operators....
Explain relational operators used in C or C++.
 
Describe arithmetic operators?
 
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
 
Selection Structures....
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.
 
What are decision statements? Explain?
 
 
Structures....
Describe the syntax for defining the composition of a structure.
 
What is 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.