{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"38270854-596f-4a26-8183-db8c968c6020","title":"编码 隐匿在计算机软硬件背后的语言","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121181184","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"38270854-596f-4a26-8183-db8c968c6020","id":"38270854-596f-4a26-8183-db8c968c6020","uuid":"38270854-596f-4a26-8183-db8c968c6020","title":"编码 隐匿在计算机软硬件背后的语言","normalized_title":"编码隐匿在计算机软硬件背后的语言","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121181184","isbns":["9787121181184","0123456789","6044921875","3039331000","0000000000","0000000000000"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":438,"navigation_url":"https://workshop.closeclaw.top/ai/book/38270854-596f-4a26-8183-db8c968c6020","title_url":"https://workshop.closeclaw.top/ai/title/%E7%BC%96%E7%A0%81%20%E9%9A%90%E5%8C%BF%E5%9C%A8%E8%AE%A1%E7%AE%97%E6%9C%BA%E8%BD%AF%E7%A1%AC%E4%BB%B6%E8%83%8C%E5%90%8E%E7%9A%84%E8%AF%AD%E8%A8%80","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/38270854-596f-4a26-8183-db8c968c6020/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/38270854-596f-4a26-8183-db8c968c6020/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/38270854-596f-4a26-8183-db8c968c6020","page_url":"https://workshop.closeclaw.top/api/ai/books/38270854-596f-4a26-8183-db8c968c6020/page","search_url":"https://workshop.closeclaw.top/api/ai/books/38270854-596f-4a26-8183-db8c968c6020/search"},"page":{"printed_page":34,"pdf_page":50,"physical_index":50,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"b7880f6843353227cf1a8b04a560c62c7fddefd28c2f6a0ea43ba800fd85e161"},"chapter":"编码隐匿在计算机软硬件背后的语言","content":"注意，现在这两个电池的负极被连在一起。但是这两个回路（电池到开关到灯泡再到电池）依然是相互独立的，尽管现在它们看起来像连体婴儿一样。\n\n这种接线方式被称为公用连接（common)。这个电路的公用部分，从最左端的灯泡和电池的连接点开始，到最右端的灯泡与电池的连接处结束。我们在图中用两个小圆点把这部分连线标示了出来。\n\n我们来进一步检查一下这个电路，以确保使用时不会有意外发生。首先，当你在自己这端闭合开关的时候，你朋友屋里的灯泡就会点亮。红色的线表示出了电路中电流流动的路径。\n\n电路的其余部分没有电流通过，因为没有完整路径可以让电子构成回路。\n\n当你没有发送信息，而你的朋友正在发送时，他房间里的开关控制了你房间里灯泡的亮灭。下图的红线仍然表示电流流经的路径。\n\n当你和你的朋友同时发送信息时，有时两个开关都断开了，有时一个闭合而另一个断开，也有可能两个开关同时闭合。最后一种情况下，电路中电流的示意图如下图所示。\n\n编码隐匿在计算机软硬件背后的语言\n\n34","previous_page":33,"next_page":35}