An astonishing old calculator - Numberphile
推荐理由
There is also a fantastic video where Cliff Stoll describes the Friden EC-132 calculator and shows off its acoustic delay line here
强烈推荐kdoherty · 原文
说明
这是2017年由Numberphile发布的一部讲解,主题归在History of computing。它讲的是early electronic calculators这一支里的具体问题,而不是把整个领域扫一遍。适合按兴趣直接看、不打算先补课的人。内容上可以概括成:Cliff Stoll shows and explains his two Friden EC-132 electronic calculators for Numberphile. The video covers how these early machines worked, including their unusual acoustic delay line memory.这些读者给出的理由,核心是:It is the go-to visual explanation of delay-line memory and early electronic calculators whenever the topic comes up.讲法不绑某一条新闻,过几年仍然可以当材料看。从2017年到2023年,有1位不同的读者在1个不同月份把它推荐出来,其中明确叫别人去看的有1次。适合用一集把一个概念补上的人。抓住它用的那个图像或类比,比背公式重要。如果已经会了基本定义,就把注意力放在它怎么把early electronic calculators变成能跟着复述的例子。
视频信息
- 频道
- Numberphile
- 时长
- 9 分 20 秒
- 发布年份
- 2017
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