totalizer vs computing machine

totalizer and computing machine both are nouns.

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

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

totalizer: computer that registers bets and divides the total amount bet among those who won
computing machine: a machine for performing calculations automatically

totalizer (noun)	computing machine (noun)
a calculator that performs simple arithmetic functions	a machine for performing calculations automatically
computer that registers bets and divides the total amount bet among those who won