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Definition of Bitmap

By David Bolton, About.com

Definition: A bitmap is a graphical representation of an image stored as a two dimensional map of bits. Originallly bitmaps were one bit = one pixel without color information but nowadays multi-color images are stored as bitmaps.

Bitmaps are stored in a row/column format with each row holding the same number of columns. The Microsoft Windows .bmp format is a bitmap representation.

Glossary:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Also Known As: Raster
Examples:
Microsoft Paint stores bitmaps as .bmp format files.
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