执行语句Print "Sgn(-34)="；Sgn(-34)后，其输出结果是 A.Sgn(-34)=34 B.Sgn(-34)=-34 C.Sgn(-34)=+1 D.Sgn(-34)=-1
执行语句Print "Sgn(-34)="；Sgn(-34)后，其输出结果是 A.Sgn(-34)=34 B.Sgn(-34)=-34 C.Sgn(-34)=+1 D.Sgn(-34)=-1
相关考题：
You want to upgrade a Windows NT Server 4.0 computer named Server34 to Windows 2000 Server. Server34 is a member server in a Windows 2000 domain named marketing.fabrikam.local. The domain runs in native mode.You want to change the role of Server34 from a member server to a domain controller in the same domain. What should you do? (Choose Two)A．Reinstall Windows NT Server 4.0 on Server34 in the same WINNT folder, and make Server34 a BDC in the marketing domain.B．Use Server Manager on Server34 and promote Server34 to a PDC for the marketing domain.C．Upgrade Server34 to Windows 2000 Server.D．Run the Active Directory installation wizard to make Server34 a domain controller in the marketing.fabrikam.local domain.E．Run the Active Directory installation wizard to convert Server34 to a domain controller in the marketing.fabrikam.local domain.
执行语句Print "Sgn(-34)=";Sgn(-34)后，其输出结果为( )。A．Sgn(-34)=34B．Sgn(-34)=-34C．Sgn(-34)=+1D．Sgn(-34)=-1
有以下程序：若想通过键盘输入，使得al的值为12，a2的值为34，cl的值为字符a，c2的值为字符b，程序运行后的输出结果是：l2，a，34，b。则正确的输入格式是（以下-代表空格，CRB.12-a-34-bCRC.12，a，34，bCRD.12a34bCR
NUM EQU 80H DA DB 34H AND DA,NUM 上述语句执行后,DA中的内容是（)。A．B4HB．80HC．34HD．0