video file vs computer file

video file and computer file both are nouns.

Word	Noun	Adjective	Verb	Adverb
video file	Yes	No	No	No
computer file	Yes	No	No	No

As nouns, computer file is a hypernym of video file; that is, computer file is a word with a broader meaning than video file:

video file: a computer file that contains digitized video.
computer file: (computer science) a file maintained in computer-readable form

video file (noun)	computer file (noun)
a computer file that contains digitized video.	(computer science) a file maintained in computer-readable form