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  Arrays....
What is the difference between a variable and an array?
 
 
Why arrays are used?
 
 
 
Classes....
Differentiate between a structure and a class.
 
What do you mean by separation of Interface from the implementation?
 
Discuss different types of constructor.
 
 
Functions....
What is meant by a function call?
 
When does a function need an include directive?
 
 
What are the differences between passing a parameter by reference and by constant reference?
 
 
 
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....
How and why comments be used in a C/C++ program?
 
What is machine language?
 
Differentiate between Low Level Languages and High Level Languages.
 
 
Loops....
What is the purpose of continue statement?
 
Differentiate between break and continue statements.
 
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
 
Operators....
Explain relational operators used in C or C++.
 
Explain with examples the logical operators used in C/C++.
 
Write a program that inputs a five-digit number, find the number in reverse order. Also find the difference between the new number and the original number.
 
 
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.