
1) Computer storage device 2) Hamlet in Scotland
Found on
https://www.crosswordclues.com/clue/blackdog

The BlackDog is a pocket-sized, self-contained computer with a built-in biometric fingerprint reader which was developed in 2005 by Realm Systems, which is plugged into and powered by the USB port of a host computer using its peripheral devices for input and output. It is a mobile personal server which allows a user to use Linux, ones applications...
Found on
http://en.wikipedia.org/wiki/BlackDog
No exact match found.