For any information system to serve its purpose,the information must be ( ) when it is needed.A.integralB.availableC.irreplaceableD.confidential
For any information system to serve its purpose,the information must be ( ) when it is needed.
A.integral
B.available
C.irreplaceable
D.confidential
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IBM给出的电子商务形象公式是() A.EB=Web+BusinessB.EC=Information+BusinessC.EB=Web+IT+BusinessD.EB=Information+Web+Business
如果对关系执行下面的sQL语句：SELECT sno=学号，sname=姓名FROM InformationWHERE班级名=‘软件021’，对此结果的正确描述是——。A．查询INFORMATION表中‘软件021’班学生的所有信息B．查询INFORMATION表中学生的学号、姓名C．查询INFORMATION表中计算机系学生的记录D．查询INFORMATION表中‘软件021’班学生的学号、姓名
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From my standpoint ,this thing is just ridiculous.A:field B:point of view C:knowledge D:information
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18、在Google搜索引擎中，检索“Information-System-Management”表示的意思是：A．表示专业术语检索，此时的ISM三个大写字母被视为必须大写B．表示词组检索C．-表示AND，就是三个词语必须都出现D．-表示NOT，表示只能有Information，去掉System和Management