{"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":170,"pdf_page":186,"physical_index":186,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"92edcd537b50ea42116bd9b84950a2d4201b6c9548dc20bb02d60716635d4749"},"chapter":"编码隐匿在计算机软硬件背后的语言","content":"同样，复位信号对输出也无任何影响。\n\n当保持位信号为1时，这套电路系统就和先前讲过的R-S触发器功能一致。\n\n这时由于上面与门的输出和复位端输入相同，而下面与门的输出和置位端输入相同，所以电路系统的功能和普通的R-S触发器是一样的。\n\n但是我们离目标还差一点。我们只想要两个输入，而不是三个，怎么解决这个问题呢？先回忆一下R-S触发器的功能表：两个输入端同时为1是非法的，要尽量避免；而两个输入端同时为0是无意义的，因为那种情况下输出就会保持不变。我们只要将保持位设置为0，就完全可以实现相同的功能。\n\n由此可以总结出，真正有意义的输入可以是S为0，R为1或者是R为0，S为1的情形。如果把数据端信号看做置位信号，把它取反后的值看做复位端信号，我们可以画出相应的电路图如下所示。\n\n编码——隐匿在计算机软硬件背后的语言\n\n170","previous_page":169,"next_page":171}