Editing Text Images (section)

===Resolutions: ===

Color depth - (use microscope) 
* [[Binary image|1-bit color]] (2<sup>1</sup> = 2 colors): '''monochrome''', often black and white, compact [[Macintosh]]es, [[Atari ST]].
* 2-bit color (2<sup>2</sup> = 4 colors): [[Color Graphics Adapter|CGA]], gray-scale early [[NeXTstation]], color Macintoshes, Atari ST.
* 3-bit color (2<sup>3</sup> = 8 colors): many early home computers with TV displays, including the [[ZX Spectrum]] and [[BBC Micro]]
* 4-bit color (2<sup>4</sup> = 16 colors): as used by [[Enhanced Graphics Adapter|EGA]] and by the least common denominator VGA standard at higher resolution, color Macintoshes, Atari ST, [[Commodore 64]], [[Amstrad CPC]].
* 5-bit color (2<sup>5</sup> = 32 colors): [[Original Amiga chipset]]
* 6-bit color (2<sup>6</sup> = 64 colors): Original Amiga chipset
* [[8-bit color]] (2<sup>8</sup> = 256 colors): most early color Unix workstations, [[VGA]] at low resolution, [[Super VGA]], color Macintoshes, [[Atari TT]], [[Advanced Graphics Architecture|Amiga AGA chipset]], [[Falcon030]], [[Acorn Archimedes]].
* 12-bit color (2<sup>12</sup> = 4096 colors): some [[Silicon Graphics]] systems, Color NeXTstation systems, and [[Amiga]] systems in [[Hold And Modify|HAM]] mode.
* '''8-bit color''': A very limited but true direct color system, there are 3 bits (8 possible levels) for each of the R and G components, and the two remaining bits in the byte pixel to the B component (four levels), enabling 256 (8 × 8 × 4) different colors.
* Grey scale (8-bit)
* True color (24-bit): Usually, true color is defined to mean 256 shades of red, green, and blue, for a total of 224, or alternately 2563, or 16,777,216 color variations. The human eye can discriminate up to ten million colors
<ref>https://en.wikipedia.org/wiki/Color_depth</ref>


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