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  Arrays....
What is the difference between a variable and an array?
 
 
Why arrays are used?
 
 
 
Classes....
Discuss different types of constructor.
 
Differentiate between a structure and a class.
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
What are the differences between passing a parameter by reference and by constant reference?
 
 
What is the advantage of compiling a function separately?
 
 
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
 
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.
 
Write main steps involved in writing a C/C++ program.
 
What are the preprocessor directives?
 
 
Loops....
What is the purpose of break statement?
 
Write a program that reads two integers and prints their Least Common Multiple (LCM).
 
Why loops are so important in all programming languages?
 
 
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 find arithmetic mean and variance of 5 values to be given by the user.
 
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
 
Selection Structures....
Explain switch statement with an example.
 
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.
 
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.