Turn on, turn off the hard drive:
-
Floppy disk reading
-
Turn on, turn off the old computer
-
Photocopy (photocopy)
-
Closes the CD / DVD tray, disc read, Opens
-
Turn off the hard drive, Turn on
-
Repeatedly pressing a computer mouse
-
Disc read, CD / DVD drive
-
Pressing a keypad, input error sound
-
Read, room noise, write, Hard disk
-
Matrix printer
-
Computer interface, signal read information
-
Turn on, turn off the old monitor
★★★★★