input vs computer science

input and computer science both are nouns.

Word	Noun	Adjective	Verb	Adverb
input	Yes	No	Yes	No
computer science	Yes	No	No	No

input (noun)	computer science (noun)
a component of production; something that goes into the production of output	the branch of engineering science that studies (with the aid of computers) computable processes and structures
any stimulating information or event; acts to arouse action
signal going into an electronic system
a statement that expresses a personal opinion or belief or adds information

input (verb)	computer science (verb)
enter (data or a program) into a computer