Answer:
<h2>1. In computing , a database is a organization collection of data </h2><h2>stored at accessed electronically from a computer system .</h2>
Answer:
The correct answer is C "Computer Virus"
Explanation:
Computer virus is a piece of code that install itself in a computer without the knowledge and permission of the user and start replicating itself and as it execute it self also start damaging the computer files.
Computer virus have ability to replicate itself and it attached to files and move from one computer to another with these files when files are transferred.
Answer: B) Shape is a base class, and circle and square are derived classes of Shape.
Explanation:
Shape is a base class because circle and squares are the shapes so these are the derived class of the shape, which is inherited by the shape like circle and square. As, the base class (shape) is the class which are derived from the other classes like circle and square and it facilitates other class which can simplified the code re-usability that is inherited from the base class. Base class is also known as parent class and the super class.
