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robert.semple English 3 cards

Cards in this deck (3)

1Meta DataDetails the computer needs about pictures to turn the binary values into that image.
Height & Width - Size of image (Measured in pixels)
Resolution - A quantity described as the number of Pixels per inch
Colour Depth - Number of bits used to represent the colour of a single pixel
2ResolutionNumber of pixels per unit
Measured in pixels per inch (dpi/ dots per inch)
The more dpi the large the file size as more data has to be stored about the file.
3Colour Depth The number of bits per pixel determines how many colours each pixel represents1 bit - 2 possible colours (black and white)
2 bits - 4 possible colours
8 bits 256 possible colours
16 bits 65,536 possible colours
24 bits - 16.8 million possible colours

Description: Flashcards on Untitled, created by robert.semple on 10/04/2015.
Created by: robert.semple
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