platform vs computing machine

platform and computing machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
platform	Yes	No	No	No
computing machine	Yes	No	No	No

platform (noun)	computing machine (noun)
a raised horizontal surface	a machine for performing calculations automatically
any military structure or vehicle bearing weapons
a woman's shoe with a very high thick sole
the combination of a particular computer and a particular operating system
a long, flat raised structure of a railway station, where people get on and off of trains
a document stating the aims and principles of a political party