Matrix printer:
-
Repeatedly pressing a computer mouse
-
Jet printer
-
Manual copy machine
-
Room noise, Hard disk, read, write
-
Laser printer
-
Typewriter, environmental sounds, Office work
-
CD / DVD drive, disc read
-
Closes the CD / DVD tray, disc read, Opens
-
Computer simulated laser
-
Modem connection, signal, interference
-
Matrix printer
-
Floppy disk reading
★★★★★