Opening, closing the laptop cover:
-
Computer keyboard
-
Shutting, fan noise, Turning on the computer
-
The USB flash drive is inserted, removed
-
Repeatedly pressing a computer mouse
-
Franking machine
-
Computer mouse click
-
Jet printer
-
Disc read, CD / DVD drive
-
Computer mouse movement
-
Turn on, turn off the hard drive
-
Matrix printer
-
Insert the disk into the drive, read the
★★★★★