Manual copy machine:
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Environmental sounds, Office work, typewriter
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Computer noise, Communication room
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Turn on, turn off the old monitor
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Alarm, Computer interface
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Insert the disk into the drive, read the
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Bios, Sound signal of a bios computer
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Jet printer
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Double click computer mouse
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Pressing a keypad, input error sound
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Photocopy (photocopy)
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Turn on, turn off the hard drive
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Laser printer
★★★★★