天津大學(xué)軟件學(xué)院系統(tǒng)分析課件ppt第一章-wenkub
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【正文】 Edition Chapter Map Irwin/McGrawHill Copyright 169。Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition Information Systems amp。 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 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 back to the business and its people. Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition Where Systems Analysts Work ? In traditional businesses – Working in traditional information services anizations (permanent project teams) – Working in contemporary information services anizations (dynamic project teams) ? In outsourcing businesses – Contracted to traditional businesses ? In consulting businesses – Contracted to traditional businesses ? In application software businesses – Building software products for traditional businesses Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition Total Quality Management ? Total quality management (TQM) is a prehensive approach to facilitating quality improvements and management within a business. ? Information systems quality standards: – ISO 9001, Quality systems – Model for quality assurance in design/development, production, installation, and servicing. – Capability Maturity Model (CMM) is a framework to assess the maturity level of an anization’s information systems development and management processes and products. It consists of five levels of maturity as measured by a set of guidelines called the key process areas. Irwin/McGrawHill Copyright 169。 2022 The McGrawHill Companies. All Rights reserved Whitten Bentley Dittman SYSTEMS ANALYSIS AND DESIGN METHODS 5th Edition Legacy Systems Legacy systems are older information system applications that have bee crucial to the daytoday operation of a business
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