Turning on the computer, fan noise, shutting down:
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Insert the disk into the drive, read the
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Turn on, turn off the old monitor
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Alarm, Computer interface
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CD / DVD drive, disc read
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Computer interface, signals
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Computer noise, Communication room
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Turn on, turn off the hard drive
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Floppy disk reading
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Computer mouse movement
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Laser printer
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Turning on the laptop, shutting, fan noise
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Computer mouse click
★★★★★