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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.
 
Discuss different types of constructor.
 
What do you mean by separation of Interface from the implementation?
 
 
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 is the difference between a function and its definition?
 
 
 
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....
What is a variable? Also write the rules to give name to a variable.
 
What is machine language?
 
How and why comments be used in a C/C++ program?
 
 
Loops....
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
Write a program that reads two integers and prints their Least Common Multiple (LCM).
 
 
Operators....
Explain with examples the logical operators used in C/C++.
 
Write a program to find arithmetic mean and variance of 5 values to be given by the user.
 
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....
Write a program which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
Differentiate between the if-else structure and switch structure
 
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.