Given:
/devices/pci@1f,0/pci@1,1/ide@3/dad@0,0:a,raw
What kind of device name does this represent?

A.
An instance name.

B.
A block device name.

C.
A logical device name.

D.
A physical device name.

E.
A Berkeley Software Distribution (BSD) device name.

Explanation:

This is a physical device name for a character device. If you look at the device with the ls alp command you will notice the c for character device at the start.
For Example: crw——- 1 root sys 135