Computer interface, signals:
-
Matrix printer
-
Opens, disc read, closes the CD / DVD tray
-
Shutting, fan noise, Turning on the computer
-
Old computer keyboard
-
Computer mouse movement
-
Franking machine
-
Laser printer
-
Manual copy machine
-
Jet printer
-
Fan noise, Turning on the laptop, shutting
-
Computer keyboard
-
Room noise, read, write, Hard disk
★★★★★