{"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":313,"pdf_page":329,"physical_index":329,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"eb5c99977f054dce14f2cf26725ab33bf44b88e06c371771a45d47e0d8468336"},"chapter":"编码隐匿在计算机软硬件背后的语言","content":"ASCI1码是7位编码，它的二进制取值范围为0000000\\~1111111，对应于十六进制就是00h\\~7Fh。现在我们一起来讨论下ASCI码，但我不建议从开始学起，因为相对于后面的编码，前32个编码理解起来还有一点难度。所以我们从第2组32个编码开始学习，它包括标点符号和10个数字。下表列出了这32个字符及相应的十六进制编码。\n\n接下来的32个编码是大写字母和一些附加的标点符号的编码。除了@符号和下画线之外，其余的符号很难在打字机上找到。它们真正出现的地方是标准计算机键盘，下表列出了这些字符及相应的十六进制编码。\n\n20 ASCII 码和字符转换\n\n313","previous_page":312,"next_page":314}