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The term computer describes a device made up of a combination of electronic components．By itself, a computer has no ( 1) 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 ( 72) 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 steps to make it (73 ) Often, a system approach is used to define, describe, and solve a problem or to meet a(an)（ 74）
From time to time, organizations need to (75 ) 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．
（1）应选（ ）。
翻译：
计算机这个术语描述由电子的和机电的部件组合而成的一种设备。计算机本身没有只能，因此称为硬件，仅仅是物理设备。硬件只有和其他要素连接才能使用，所有这些要素即为构成基于计算机信息系统的六要素：硬件、软件、数据/信息、人、操作程序和通信。
系统定义为一组相关组件的集合，这些组件相互交互以完成一个任务，以实现一个目标。任何使用信息技术的组织会拥有一个基于计算机的信息系统，给管理人员（和各类员工）提供适当类型的信息以帮助他们做出决策。
系统分析和设计是确定系统如何工作然后经过一系列步骤以使其更好。通常，采用系统方法来定义、描述和解决一个问题或满足一个目标。
随着时间推移，新的市场机会、政府规定的变化、新技术的出现、公司兼并以及其他方面的发展等，使得组织需要改变其信息系统。当需要改变时，应用系统分析与设计的时机已经成熟。
Advancements in （ ）have contributed to the growth of the automotive industry through the creation and evolution of self-driving vehicles.
In project human resource management , （ ）is not a source of power for the project manager.
At the project establishment stage , the feasibility study mainly includes techinical feasibility analysis , （ ）, operation environment feasibility analysis and other aspects of feasibility analysis.
（ ）is a grid that shows the project resources assigned to each work package.
Xinhua News Agency reported in January 2022，Chian will further promote the developmet of a digital economy during the 14th Five-Year Plan eriod（2021-2025）. The plan also emphasized industrial （ ）transformation.
某公司投资一个使用寿命为5年的项目，第一年年初投入1000万元，从第1年到第5年每年年末都有净现金流量300万元。则项目的静态投资回收期为（ ）年。
下图是某地的街区网络图（单位:）里），疫情防控期间，一辆消毒车从疾控中心出发，需要消杀所有的街道并返回疾控中心。该消毒车完成消杀工作至少需要运行（ ）公里 。
某公司有东部、中部、西部三个生产基地，生产的产品需要运送带甲、乙、丙、丁四个市场，从生产基地到各个市场的单位运价及产量和需求量如表所示，完成该运输任务所需的最小运费为（ ）。
某炼油厂每季度需供应合同单位汽油15吨，煤油12吨，重油12吨，该厂从甲乙两处运回原油提炼，已知两处炼油成分如表所示，从甲处采购原油价格为2000元/吨，乙处为2900元/吨，为了使成本最低，炼油厂应从甲处购15吨，乙处采购（ ）吨。
某炼油厂每季度需供应合同单位汽油15吨，煤油12吨，重油12吨，该厂从甲乙两处运回原油提炼，已知两处炼油成分如表所示，从甲处采购原油价格为2000元/吨，乙处为2900元/吨，为了使成本最低，炼油厂应从甲处购（ ）吨，乙处采购20吨。
