Computer interface, signal read information:
-
General noise, Office work
-
Old computer keyboard
-
Hard disk, write, room noise, read
-
Disc read, CD / DVD drive
-
Franking machine
-
Jet printer
-
Input error sound, Pressing a keypad
-
Read the, Insert the disk into the drive
-
Computer interface, alarm
-
Photocopy (photocopy)
-
Repeatedly pressing a computer mouse
-
Fan noise, shutting, Turning on the laptop
★★★★★