Computer mouse movement:
-
Computer keyboard
-
Opens, closes the CD / DVD tray
-
The USB flash drive is inserted, removed
-
Turn off the old computer, Turn on
-
Computer noise, Communication room
-
General noise, Office work
-
Floppy disk reading
-
Matrix printer
-
Sound signal of a bios computer, bios
-
Opens, disc read, closes the CD / DVD tray
-
Signal read information, Computer interface
-
Computer mouse movement
★★★★★