WHY are the symbols for power on / off “|” and “◯”?

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What are/were they meant to represent? When were they introduced? I can’t find any consistent reliable sources. I’d really appreciate references if anyone has any!

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24 Answers

Anonymous 0 Comments

So I still think people are over-complicating this.

0 is nothing, as in off.
1 is something as in on.

Arabic numerals are one of the most universally recognized. The concept doesn’t need translation.

Literally any other marking used would be in some language that some portion of the world wouldn’t get.

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