Sound signal of a bios computer, bios:
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Turn on, turn off the hard drive
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Modem connection, interference, signal
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Franking machine
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CD / DVD drive, disc read
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Laser printer
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Closes the CD / DVD tray, Opens
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Computer interface, signals
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The USB flash drive is inserted, removed
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Pressing a keypad, input error sound
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Alarm, Computer interface
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Room noise, write, read, Hard disk
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Old computer keyboard
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