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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 constructor?
 
What do you mean by separation of Interface from the implementation?
 
Discuss different types of constructor.
 
 
Functions....
What are the differences between passing a parameter by value and by reference?
 
 
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
When does a function need an include directive?
 
 
 
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....
Describe data types available in C++.
 
Differentiate between compiler and interpreter.
 
What is machine language?
 
 
Loops....
What is the purpose of break statement?
 
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?
 
 
 
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++.
 
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
 
Selection Structures....
What are decision statements? Explain?
 
Differentiate between the if-else structure and switch structure
 
Write a program to accept an integer and print whether the given integer is Odd or Even.
 
 
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.