睡眠してません@tumblr
子供の持っている百科事典に、アナログとデジタルの対比のページがあって、一例として「そろばん」⇔「電卓」があった。いや、計算尺はアナログだけど、そろばんはデジタルだよ！むしろ、電子回路を使ってなくてもデジタルなものはデジタルだ、という絶好の例なのに惜しい。
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— Twitter / @onisce (via bgnori)
Reblogged 3 months ago from takadat (Originally from bgnori)
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Source: bgnori
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