Computer interface, alarm:
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Computer noise, Communication room
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Bios, Sound signal of a bios computer
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Franking machine
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Jet printer
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Room noise, Hard disk, read, write
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The USB flash drive is inserted, removed
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Turn on, turn off the old monitor
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Double click computer mouse
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Computer mouse movement
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Closes the CD / DVD tray, Opens
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Turning on the computer, fan noise, shutting
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Repeatedly pressing a computer mouse
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