Pressing a keypad, input error sound:
-
Photocopy (photocopy)
-
Matrix printer
-
Disc read, CD / DVD drive
-
Franking machine
-
Turn off the old computer, Turn on
-
Double click computer mouse
-
Fan noise, shutting, Turning on the computer
-
Computer mouse movement
-
Hard disk, room noise, read, write
-
Turn off the hard drive, Turn on
-
Modem connection, interference, signal
-
Alarm, Computer interface
★★★★★