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  Arrays....
Why arrays are used?
 
 
What is the difference between a variable and an array?
 
 
 
Classes....
Differentiate between a structure and a class.
 
Discuss different types of constructor.
 
What do you mean by destructor?
 
 
Functions....
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
What is the advantage of putting a function definition in a separate file?
 
 
What are the advantages of using functions to modularize a program?
 
 
 
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....
What is the purpose of escape sequences?
 
What is testing and debugging?
 
Differentiate between Low Level Languages and High Level Languages.
 
 
Loops....
Why loops are so important in all programming languages?
 
Differentiate between break and continue statements.
 
What is the purpose of break statement?
 
 
Operators....
Explain relational operators used in C or C++.
 
Explain with examples the logical operators used in C/C++.
 
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
 
Selection Structures....
Write a program which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
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.
 
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
 
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.