Computer keyboard:
-
Pressing a keypad, input error sound
-
Interference, signal, Modem connection
-
Office work, environmental sounds, typewriter
-
Double click computer mouse
-
Turn off the old monitor, Turn on
-
Signal read information, Computer interface
-
Manual copy machine
-
Alarm, Computer interface
-
Photocopy (photocopy)
-
Computer noise, Communication room
-
Computer mouse movement
-
Jet printer
★★★★★