{"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":126,"pdf_page":142,"physical_index":142,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"1c72f52985779ed72889d928726feb266e65fca254d56439193179df7c528cd2"},"chapter":"编码隐匿在计算机软硬件背后的语言","content":"如果两个开关同时闭合则表示其他颜色的猫。\n\n现在，我们将四个小电路合并成一个大电路（按照惯例，黑实心点表示交叉线之间是连接的，没有黑实心点的交叉线则表示仅仅是穿过，没有连接)。\n\n这个电路看起来非常复杂，但是如果你仔细地沿着线路走，看清每个与门的输入是从哪来的，而暂不论这些输入去向何方，电路的工作原理就会一目了然。如果两个开关都断开，输出信号W就为1，其他都为0。如果第一个开关闭合，则输出信号B为1，其他为0，依此类推。\n\n在连接门和反向器的时候有一些规则，影响它们的连接方式：一个门（或反向器）的输出可以作为一个或多个其他门（或反向器）的输入。但是两个或多个门（或反向器）的输出是不可以相互连接的。\n\n这个由4个与门和2个反向器连接成的电路叫做“2-4译码器”。输入为2个二进制位，各种组合共表示4个不同的值。输出是4个信号，任何时刻只能有一个是1，至于哪一个是1取决于两个输入。利用同样的原理，我们可以构造出3-8译码器或者4-16译码\n\n编码隐匿在计算机软硬件背后的语言\n\n126","previous_page":125,"next_page":127}