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  Arrays....
Why arrays are used?
 
 
What is the difference between a variable and an array?
 
 
 
Classes....
Discuss different types of constructor.
 
What do you mean by separation of Interface from the implementation?
 
What do you mean by destructor?
 
 
Functions....
What is meant by a function call?
 
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
When does a function need an include directive?
 
 
 
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....
Describe data types available in C++.
 
Differentiate between Low Level Languages and High Level Languages.
 
What are the preprocessor directives?
 
 
Loops....
Differentiate between break and continue statements.
 
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....
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.
 
Explain with examples the logical operators used in C/C++.
 
 
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.
 
Write a program to calculate the electricity bill on the following rates. Cost is USD 0.213 per unit for first 100 units, US$ 0.423 per unit for next 200 units and US$ 0.675 for remaining units. General Sales Tax is added to the bill at the rate of 15% of the total cost of electricity.
 
 
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.