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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 separation of Interface from the implementation?
 
What do you mean by destructor?
 
What do you mean by constructor?
 
 
Functions....
What is the advantage of compiling a function separately?
 
 
What is the advantage of putting a function definition in a separate file?
 
 
What do you mean by function overloading?
 
 
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 are the preprocessor directives?
 
Write main steps involved in writing a C/C++ program.
 
What is machine language?
 
 
Loops....
Why the use of the goto statement generally discouraged?
 
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
Explain the syntax and purpose of while loop with an example.
 
 
 
Operators....
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 relational operators used in C or C++.
 
Describe arithmetic operators?
 
 
Selection Structures....
Explain switch statement with an example.
 
What is the purpose of break statement with reference to switch statement?
 
 
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....
Describe the syntax for defining the composition of a structure.
 
What is 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.