input data vs input file

input data and input file both are nouns.

Word	Noun	Adjective	Verb	Adverb
input data	Yes	No	No	No
input file	Yes	No	No	No

As nouns, input data and input file are synonyms defined as:

input data and input file: (computer science) a computer file that contains data that serve as input to a device or program

input data (noun)	input file (noun)
(computer science) a computer file that contains data that serve as input to a device or program	(computer science) a computer file that contains data that serve as input to a device or program