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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.
 
What do you mean by constructor?
 
Differentiate between a structure and a class.
 
 
Functions....
Why is a parameter that is passed by value referred to as "read-only"?
 
What is the advantage of compiling a function separately?
 
 
What are the differences between passing a parameter by value and by reference?
 
 
 
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....
How and why comments be used in a C/C++ program?
 
What is the purpose of escape sequences?
 
Differentiate between Low Level Languages and High Level Languages.
 
 
Loops....
Why the use of the goto statement generally discouraged?
 
Why loops are so important in all programming languages?
 
What is the purpose of continue statement?
 
 
Operators....
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
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.
 
Explain with examples the logical operators used in C/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.
 
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
Explain switch statement with an example.
 
 
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.