1. 16
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    34/45. Unfortunately it’s not a very fun game. Either you know it or you don’t, and if you don’t, you have to go elsewhere to find out about it. There’s no progressive revelation “hint: this calculator spurred development of the first microprocessor” to help you remember the Busicom.

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      I thought I was a true retro hardware geek. I got 22 out of 45.

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        30 cold, with a few more I recognized but couldn’t recall the name of.

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          So, I’ve managed 35 of these with some research to get ones with hard spelling or that I recognized, but couldn’t remember the name, but the remaining 10 have me pretty stumped.

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            This is pretty hard; I got 26 without any assistance.

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                  Yes, the first one is a mechanical televisor. But I have no idea for the last one.