Opening, closing the laptop cover:
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Computer mouse movement
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Sound signal of a bios computer, bios
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Pressing a keypad, input error sound
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Photocopy (photocopy)
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Turning on the computer, fan noise, shutting
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Old computer keyboard
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Disc read, Opens, closes the CD / DVD tray
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Computer interface, alarm
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Closes the CD / DVD tray, Opens
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Environmental sounds, Office work, typewriter
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Modem connection, signal, interference
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Read the, Insert the disk into the drive
★★★★★