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15 cards from this deck
Digital images stored using binary code
Sequences of 1s and 0s
Tiny coloured dots that make up bitmap images
Picture elements
W×HW \times HW×H
How many colours each pixel can display
2 colours
256 colours
16,777,216 colours
2number of bits2^{\text{number of bits}}2number of bits
Pixels per inch
Individual pixels visible when image enlarged
W×H×DW \times H \times DW×H×D
Divide by 8
Divide by 1024
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