Pressing a keypad, input error sound:
-
Shutting, Turning on the computer, fan noise
-
Signal read information, Computer interface
-
Old computer keyboard
-
Floppy disk reading
-
Computer keyboard
-
Turn off the old monitor, Turn on
-
Photocopy (photocopy)
-
Repeatedly pressing a computer mouse
-
Franking machine
-
Alarm, Computer interface
-
Manual copy machine
-
CD / DVD drive, disc read
★★★★★