2. 计算机
  3. The term computer describes a device made up of a combination of electronic components．By itself,a computer has no ( )and is

The term computer describes a device made up of a combination of electronic components．By itself,a computer has no ( )and is

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问题 The term computer describes a device made up of a combination of electronic components．By itself,a computer has no (    )and is referred to as hardware，which means simply the physical equipment．The hardware can’t be used until it is connected to other elements，all of which constitute the six parts of a computer-based information system，hardware，software，data／information，people，procedures and communications．
A system is defined as a collection of related components that(    )to perform a task in order to accomplish a goal．Any organization that uses information technology will have a computer-based information system to provide managers(and various categories of employees with the appropriate kind of information to help them make decisions．
Systems analysis and design is to ascertain how a system works and then take st印S to make it (    )Often，a system approach is used to define，describe，and solve a problem or to meet a(an) (    )．
From time to time，organizations need to (    ) their information systems，in，response-to new marketing opportunities，modified government regulations，the introduction．of new technology,merger with another company,or other developments．When change is needed，the time is ripe for applying the principles of systems analysis and design．
A system approach is used to define，describe，and solve a problem or to meet a(an) (    )．
选项 A、decision
B、need
C、standard
D、objective
答案D
解析
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