guest vs computing device

guest and computing device both are nouns.

Word	Noun	Adjective	Verb	Adverb
guest	Yes	No	No	No
computing device	Yes	No	No	No

As nouns, computing device is a hypernym of guest; that is, computing device is a word with a broader meaning than guest:

guest: (computer science) any computer that is hooked up to a computer network
computing device: a machine for performing calculations automatically

guest (noun)	computing device (noun)
(computer science) any computer that is hooked up to a computer network	a machine for performing calculations automatically
a visitor to whom hospitality is extended
a customer of a hotel or restaurant etc.