Floppy disk reading:
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Computer interface, signal read information
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Disc read, CD / DVD drive
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Write, room noise, read, Hard disk
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General noise, Office work
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Repeatedly pressing a computer mouse
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Turn on, turn off the old computer
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Sound signal of a bios computer, bios
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Jet printer
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Double click computer mouse
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Turn off the old monitor, Turn on
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Laser printer
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Computer mouse movement
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