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  Arrays....
What is the difference between a variable and an array?
 
 
Why arrays are used?
 
 
 
Classes....
What do you mean by destructor?
 
What do you mean by constructor?
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
When does a function need an include directive?
 
 
What is the difference between a function and its definition?
 
 
 
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 the purpose of escape sequences?
 
Write main steps involved in writing a C/C++ program.
 
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-.
 
Why loops are so important in all programming languages?
 
 
Operators....
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
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.
 
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
 
Selection Structures....
Explain switch statement with an example.
 
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
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.