The quantities, characters, or symbols on which operations are performed by a computer, which may be stored and transmitted in the form of electrical signals and recorded on magnetic, optical, or mechanical recording media.

If data is arranged in a systematic way then it gets a structure and becomes meaningful.

c = a + b

• Data

• Information

Collection of Characters

• Data

• Information

Processed Data

• Data

• Information

The systematic way to organize data so that it can be used efficiently.

Bitmap images are stored as a series of tiny dot as

It deals with the generalization of data in terms of type.

It is a set.

It is the elements of the set.