A graphic file format is consisting of digital image which contained mixture of dots. Each dot has a unique color. Bitmap using the file extensions of *.bmp or *.dib (system-independent bitmap) utilized in Microsoft Windows and OS/2. Bitmap images could be preserved as both 4-bit (16 colors), 9-bit (256 colors), 16-bit (65,536 colors), or 24-bit (16.7 million colors) and preserved as uncompressed images.

Due to their larger files size, when comparing to different images types, for example JPEG and GIF, bmp, and dib pictures aren’t popular or suggested outside the Microsoft windows environment.

A bitmap is a type of memory organization or image file format used to store digital images. The term bitmap comes from the computer programming terminology, meaning just a map of bits, a spatially mapped array of bits. Now, along with pixmap, it commonly refers to the similar concept of a spatially mapped array of pixels.

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Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone.