天津大學(xué)軟件學(xué)院系統(tǒng)分析課件ppt第一章-文庫(kù)吧
2025-07-06 20:47 本頁(yè)面
【正文】 ersus Knowledge Workers Information workers are those workers whose jobs involve the creation, collection, processing, distribution, and use of information. Knowledge workers are a subset of information workers whose responsibilities are based on a specialized body of knowledge. Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition System Owners System owners are the information system’s sponsors and chief advocates. They are usually responsible for funding the project to develop, operate, and maintain the information system. Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition System Users System users are the people who use or are affected by the information system on a regular basis—capturing, validating, entering, responding to, storing, and exchanging data and information. A mon synonym is client. Types include: – Internal users ? Clerical and service workers ? Technical and professional staff ? Supervisors, middle managers, and executive managers ? Remote and mobile users (internal but disconnected) – External users Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition System Designers and System Builders System designers translate system users’ business requirements and constraints into technical solutions. They design the puter files, databases, inputs, outputs, screens, works, and programs that will meet the system users’ requirements. System builders construct the information system ponents based on the design specifications from the system designers. In many cases, the system designer and builder for a ponent are one and the same. Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition Systems Analysts A systems analyst studies the problems and needs of an anization to determine how people, data, processes, munications, and information technology can best acplish improvements for the business. When information technology is used, the analyst is responsible for: – The efficient capture of data from its business source, – The flow of that data to the puter, – The processing and storage of that data by the puter, and – The flow of useful and timely information bac
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