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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 destructor?
 
What do you mean by separation of Interface from the implementation?
 
Differentiate between a structure and a class.
 
 
Functions....
What do you mean by function overloading?
 
What are the differences between passing a parameter by value and by reference?
 
 
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....
Write main steps involved in writing a C/C++ program.
 
Differentiate between Low Level Languages and High Level Languages.
 
Differentiate between compiler and interpreter.
 
 
Loops....
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
Explain the syntax and purpose of for loop with an example.
 
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.
 
Explain with examples the logical operators used in C/C++.
 
Explain relational operators used in C or C++.
 
 
Selection Structures....
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.
 
Explain switch statement with an example.
 
What are decision statements? Explain?
 
 
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.