How many types of consoles are there?

How many types of consoles are there? As of 2021, there have been nine console generations, with the current leading manufactures being Sony, Microsoft, and Nintendo; past console manufacturers have included Atari, Fairchild, Intellivision Entertainment, Coleco, Sega, NEC, 3DO, and SNK.

As of 2021, there have been nine console generations, with the current leading manufactures being Sony, Microsoft, and Nintendo; past console manufacturers have included Atari, Fairchild, Intellivision Entertainment, Coleco, Sega, NEC, 3DO, and SNK.