问题详情

已知 ( AL ) =55H , 执行指令 AND AL, 0FH 后 , 相关标志位的状态是 ________ 。


A、<span style="FONT-FAMILY: " times="" new="" roman","serif";="" color:="" black;="" font-size:="" 10.5pt;="" mso-bidi-font-size:="" 12.0pt;="" mso-fareast-font-family:="" 宋体;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="" lang="EN-US">CF=1, OF=1, SF=0, PF=1,ZF=0</span>

B、<span style="FONT-FAMILY: " times="" new="" roman","serif";="" color:="" black;="" font-size:="" 10.5pt;="" mso-bidi-font-size:="" 12.0pt;="" mso-fareast-font-family:="" 宋体;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="" lang="EN-US">CF=0, OF=0, SF=0, PF=1,ZF=1</span>

C、<span style="FONT-FAMILY: " times="" new="" roman","serif";="" color:="" black;="" font-size:="" 10.5pt;="" mso-bidi-font-size:="" 12.0pt;="" mso-fareast-font-family:="" 宋体;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="" lang="EN-US">CF=0, OF=0, SF=0, PF=1,ZF=0</span>

D、<span style="FONT-FAMILY: " times="" new="" roman","serif";="" color:="" black;="" font-size:="" 10.5pt;="" mso-bidi-font-size:="" 12.0pt;="" mso-fareast-font-family:="" 宋体;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="" lang="EN-US">CF=0, OF=1, SF=1, PF=1,ZF=0</span>

时间:2021-07-17 23:28 关键词: 机械制造与自动化 高起专 微机原理及应用 2020年第二学期期末考试

答案解析

C