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【单选题】
This is _____ ruler. _____ ruler is yellow. [      ]
A.
the; a
B.
a; a
C.
A; the
D.
a; The
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【单选题】两平行平面【图片】与【图片】间的距离
A.
1
B.
21
C.
63
D.
【单选题】设有三个指令系统相同的处理机X、Y和乙它们都有4KB的高速缓冲存储器和 32 MB的内存,但是其存取周期都不一样,如表2.11所示(TIC和TIM分别表示I处理机 Cahce存取周期和主存存取周期)。 若某段程序所需指令或数据在Cache中取到的概率为P=0.5,则处理机X的存储器平均存取周期为(50)ms。假定指令执行时间与存储器的平均存取周期成正比,此时三个处理机执行该段程序由快到慢的顺序为(...
A.
0.2
B.
0.48
C.
0.52
D.
0.6
【简答题】两平行平面【图片】与【图片】之间的距离为_______
【判断题】Birthday alerts, family snaps are not invaluable to ID thieves, predators(损人利己的人), and stalkers (跟踪者). (10.0分)A. √ B. ╳
A.
正确
B.
错误
【单选题】Birthday alerts, family snaps are not invaluable to ID thieves, predators(损人利己的人), and stalkers (跟踪者).
A.
B.
【单选题】The following command is issued on a Cisco Router: Router(configuration)#logging console warnings Which alerts will be seen on the console?()
A.
Warnings only
B.
debugging, informational, notifications, warnings
C.
warnings, errors, critical, alerts, emergencies
D.
notifications, warnings, errors
E.
warnings, errors, critical, alerts
【简答题】作业的地址空间指的是____________,地址空间中的地址称为____________。内存地址的集合为____________,它的地址称为____________。
【单选题】View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30 minutes, you executed the following command:  SQL> SELECT reason,metric_value FROM dba_outstanding_alerts; REASON   ...
A.
An Automatic Workload Repository snapshot has been taken recently.
B.
The non-threshold-based alerts are transferred to DBA_ALERT_HISTORY.
C.
The threshold alerts conditions are cleared and the alerts are transferred to DBA_ALERT_HISTORY.
D.
The threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but not the threshold alerts related to instance metrics.
【单选题】Which alerts will be seen on the console when running the command: logging console warnings.()
A.
warnings only
B.
warnings, notifications, error, debugging, informational
C.
warnings, errors, critical, alerts, emergencies
D.
notifications, warnings, errors
E.
warnings, errors, critical, alerts
【简答题】作业的地址空间指的是______程序所占据的空间。
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