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I recently asked and self-answered a question on main What was the first arcade game to use a microprocessor instead of discrete logic?

In the comments, discussion started on what the definition of "discrete logic" and "microprocessors" are. Having left the question open ended, the line is quite fuzzy. I initially answered the question drawing the line between TI 74XX series of integrated circuits and an 8-bit microprocessor like Intel's 8080. Since then, there has been discussion of additional chips meeting the "microprocessor" criteria. Acknowledging this, I added an additional answer of a game that technically pre-dates Gun Fight and the explanation in my first answer.

In this case, were two answers appropriate? Should I have consolidated the second (newer) answer into my first answer? When is it appropriate to provide multiple answers?

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I think in this case it's a rare occasion where two answers from one person do make sense as they tackle the subject in different ways, but they could easily be rolled together into one.

A good reason to keep them separate in this case is that one answer has been accepted and upvoted a lot more than the other: it's allowing the community to come to consensus on which of the two has more merit, which wouldn't happen if they were joined.

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It is worth looking at the long-standing advice on Meta.SE What is the official etiquette on answering a question twice? and more recently Is it OK to post multiple answers to a question? .

In summary, if you have two different answers to a question, post them separately. The community will select the better one by voting.

If you have just a variation to add to an existing answer then edit your existing answer. This would apply even if the existing answer is accepted and upvoted.

I would say that, in your cited example question, two answers is the correct approach.

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