The Human Interface Device (HID) is being used, which of the following represents a USB mouse
connected to the PC?
A.
/dev/psaux
B.
/dev/ttyS0
C.
/dev/input/mice
D.
/dev/usb/mouse0
E.
/dev/ttyUSB0
Explanation:
http://www.linux-usb.org/USB-guide/x194.html
Notice it may exists /dev/input/mouse0 but no /dev/usb/mouse0. usb folder exists in proc folder
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