简述管理信息系统的功能。（）_______功能:采用相应的数学模型,从大量的数据中推导出推导出有关问题的最优解和满意解,辅助管理人员进行决策

简述开发管理信息系统的两种策略

A、数据流程图

B、结构图

C、数据字典

D、模块说明书

A．

B．不存在势最大的集合；

C．实数集的势与有理数集的势相等；

D．一个集合的势总是等于它幂集的势。

A．more

B．much

C．quite

D．very

A．特洛伊木马

B．拒绝服务

C．欺骗

D．中间人攻击

How does the Georges Building differ from nerby buildings It is mde from different mtHow does the Georges Building differ from nerby buildings It is mde from different mterils. B．It is mde from differentrchitecturl style. C．It is lrger thn the other buildings. D．It is much tller building.

A．It is made from different materials．

B．It is made from a different architectural style

C．It is larger than the other buildings．

D．It is a much taller building．

It is in theirbility to spek________humns________fromnimls.[ ]which；differ B．tht；differentIt is in theirbility to spek________humns________fromnimls. [ ]which；differ B．tht；different C．which；different D．tht；differ

A．which；differ

B．that；different

C．which；different

D．that；differ

The Grbge Project’s studies differ from other reserches into the behviors of consumersThe Grbge Project’s studies differ from other reserches into the behviors of consumers in tht ______.the former records dt more excrucitingly thn the ltter does B．the dt collected by the ltterre bised by perceptionsnd judgements C．the former collects dt from self-reports or interview surveys D．the former reconstructs consumer behviors directly from mteril relity

A．the former records data more excruciatingly than the latter does

B．the data collected by the latter are biased by perceptions and judgements

C．the former collects data from self-reports or interview surveys

D．the former reconstructs consumer behaviors directly from material reality