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  Arrays....
What is the difference between a variable and an array?
 
 
Why arrays are used?
 
 
 
Classes....
What do you mean by destructor?
 
Discuss different types of constructor.
 
What do you mean by constructor?
 
 
Functions....
What is meant by a function call?
 
Why is a parameter that is passed by value referred to as "read-only"?
 
What are the differences between passing a parameter by value and by 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....
Differentiate between Low Level Languages and High Level Languages.
 
How and why comments be used in a C/C++ program?
 
Differentiate between compiler and interpreter.
 
 
Loops....
Explain the syntax and purpose of for loop with an example.
 
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
What is the purpose of break statement?
 
 
Operators....
Explain relational operators used in C or 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.
 
Write a program to find arithmetic mean and variance of 5 values to be given by the user.
 
 
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 is the purpose of break statement with reference to switch statement?
 
 
 
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.