Turn on, turn off the hard drive:
-
Signal, interference, Modem connection
-
Turn off the hard drive, Turn on
-
Room noise, write, Hard disk, read
-
Laser printer
-
The USB flash drive is inserted, removed
-
Franking machine
-
Computer mouse movement
-
Sound signal of a bios computer, bios
-
Matrix printer
-
Closes the CD / DVD tray, disc read, Opens
-
Floppy disk reading
-
Environmental sounds, typewriter, Office work
★★★★★