{"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":120,"pdf_page":136,"physical_index":136,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"a281f66a7dfda2f86378a1f663ccf25d1661e05c80fc93388ab72d2f2cda49ec"},"chapter":"编码隐匿在计算机软硬件背后的语言","content":"与门的输入未必一定要和开关相连，而且输出也不一定只能与灯泡相连。我们真正要处理的是输入端的电压和输出端的电压。例如，一个与门的输出可以作为另一个与门的输入，如下所示。\n\n只有当三个开关全部闭合的时候，灯泡才会亮。只有当上面两个开关全闭合的时候，第一个与门的输出才会触发第二个与门中的第一个继电器。而最下面的开关闭合会触发第二个与门中的第二个触发器。\n\n如果我们将低电平视为0，将高电平视为1，那么与门的输入和输出之间的关系如下所示。\n\n像两个开关串联一样，与门的输入与输出之间的关系同样可用下表来描述。\n\n同样可以让与门有多个输入端。例如，将三个继电器串联，如下图所示。\n\n编码隐匿在计算机软硬件背后的语言\n\n120","previous_page":119,"next_page":121}