For any information system to serve its purpose，the information must be( )when it is needed

[单选题]F．or any information system to serve its purpose,the information must be ( ) when it is needed.A．integralB．availableC．irreplaceableD．confidential

[单选题]To search for any information needed on tomorrow’s Web, one only has to _____.［A］wade through screen after screen of extraneous data［B］ask the Web to dispatch some messenger to his door［C］use smart software programs called “agents”［D］explore Web site

What does an information system do for human beings to ____ its cost?Whatdoesani

[试题](b) A summary of the information needed to satisfy our obligations under the money laundering legislation andany action that should be taken before agreeing to become tax advisers to the Saturn Ltd group. (5 marks)

When writing an essay, you must do plenty of research to find information that w

[单选题]Information,in its most restricted technical sense,is a seque of symbols that can be interpreted as a message.ingormation can be recorded as signs,or transmitted as（）A .symbolsB .messageC .signalsD .wave

[填空题] FICS（File&Information converting System）工具主要是对（）的原始测试数据进行分析的工具。

[名词解释] 英译中：Geographic information system

[名词解释] 物流信息系统logistics information system（LIS）

[单选题]The computer system _________ suddenly while he was searchingfor informatio