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bit

Last updated at Posted at 2019-07-07

1bitで、0,1 の2値を表すことができる。
2bitで, 00,01, 10, 11の4値。
3bitで, 000, 001, 010, 011, 100, 101, 110, 111の8値。
4bitで、0000, 0001, 0010, 0011, 0100, 0101, 0110, 0111, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 1111の16値
5bitで、32値
6bitで、64値。
7bitで、128個。
8bitで、258個。

昔、リモコンは4bit cpuで構成した。
ON, OFFの2値。
あるいは、0から9までの10値と、+-/*=の5演算子で成り立つ。

状態遷移図が計算の基本であれば簡単か
https://qiita.com/kaizen_nagoya/items/7667bf01d39540ca4330

1bit CPU 状態機械から始めるplantUML
https://qiita.com/kaizen_nagoya/items/b6530dc4ab6ddf0815d6

2bit 計算機を設計する. 仮説(213)
https://qiita.com/kaizen_nagoya/items/c0285c8ad5b45f512328

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