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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 separation of Interface from the implementation?
 
What do you mean by constructor?
 
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 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....
Differentiate between compiler and interpreter.
 
What is a variable? Also write the rules to give name to a variable.
 
What are the preprocessor directives?
 
 
Loops....
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-.
 
What is the purpose of continue statement?
 
Explain the syntax and purpose of for loop with an example.
 
 
Operators....
Describe arithmetic operators?
 
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
Explain relational operators used in C or C++.
 
 
Selection Structures....
What is the purpose of break statement with reference to switch statement?
 
 
Write a program to accept an integer and print whether the given integer is Odd or Even.
 
Differentiate between the if-else structure and switch structure
 
 
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.