A.verified
B.examined
C.checked
D.stated
第1题:
A.SELECTcust_last_name,cust_credit_limitFROMcustomersORDERBYcust_credit_limitDESC
B.SELECTcust_last_name,cust_credit_limitFROMcustomersORDERBYcust_credit_limit
C.SELECTcust_last_name,cust_credit_limitFROMcustomersORDERBYcust_credit_limitNULLSLAST
D.SELECTcust_last_name,cust_credit_limitFROMcustomersORDERBYcust_last_name,cust_credit_limitNULLSLAST
第2题:
如果S3C2440的bank6外接的SDRAM的大小为64MB,则bank7的起始地址是多少?(使用16进制表示)
第3题:
8、CPU执行“MOV PSW,#38H”后,当前工作寄存器组()。
A.保持不变
B.切换到BANK0
C.切换到BANK1
D.切换到BANK2
E.切换到BANK3
第4题:
YouuseaWindows2000Professionalcomputertorunaweeklyaccountstable.Thereporthasthenameap_financial_reports.Youalsowanttheusethecomputertorunatasknamedperf_logtoconnecttonetworkroutersandretrievetheirperformancelogs.Whentheap_financial_reportisrunningonthecomputerperf_logtaskstopsrespondingtheeventuallytimesout.Whenyourunonlytheperf_logtaskthetaskcompletessuccessfully.Youusethetaskmanagertoviewyoursystemresources.Youwanttoresolvetheperformancelogtimeoutproblembyusingtaskmanager.Whatshouldyoudo?()
第5题:
将students中的列变量重新命名为: (1)id_number, name, gender, score, has_graduate (2)选出Bob的性别gender,并存入变量bob_gender (3)选出列has_graduate,并存入向量status (4)创建数据框part_df,其中包含前三个学生的所有信息 (5)创建数据框rest_df,包含其余学生的所有信息
第6题:
S3C2410共有几个bank区?