Representing Images, Sound and Other Data Videos

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Bit patterns and data

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Bitmaps

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Calculating storage requirements for bitmaps

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Bitmap metadata

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Vector graphics

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Bitmap vs vectors

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Analogue and digital data signals

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Sample resolution and rate

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Calculating sound sample size

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MIDI

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Lossy vs lossless

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Length and dictionary coding

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Encryption – Caesar cipher

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Encryption – Vernam cipher

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