tailieunhanh - ch01

The Systems Analyst and Information .Systems analysis and design, 6th edition. Dennis, wixom, and M. Roth © 2015 John Wiley & Sons. All Rights 1Learning Objectivesq Explain the systems analyst’s role information systems developmentq Describe the basic systems development life cycle and its phasesq Explain how organizations identify IS development projectsq Explain the importance of linking the information system to Be able to create a system requestq Describe technical, economic, and organizational Be able to perform a feasibility analysis © 2015 John Wiley & Sons. All Rights Reserved. 2The Systems and skills. © 2015 John Wiley & Sons. All Rights Reserved. 3Systems Analyst Roleq Key role in developing information systems. o Analyzing the business situation. o Identifying opportunities for improvements. o Designing an information system to implement the improvements. © 2015 John Wiley & Sons. All Rights Reserved. 4Systems Analyst Rolesq Interaction with an array of people. o Technical specialists (DBAs, network admins, programmers). o Business people (users, managers, steering committee). o Others (vendors, consultants).q Variety of specialized roles. o People-oriented: change management analyst, project. management. o Business-oriented: requirements analyst, business analyst. o Technically-oriented: infrastructure analyst. o Generalist: systems analyst. © 2015 John Wiley & Sons. All Rights Reserved. 5What Do System Analysts Like .About Their Work?. q Challenge. q Technology. q Variety. q Constant Change. q Problem Solving. © 2015 John Wiley & Sons. All Rights Reserved. 6What Do System Analysts Dislike .About Their Work?. q Management’s lack of communication/recognition. q End-user mistakes and demands. q Stress/pressure/burnout. q Ever-changing business technology. q Unrealistic deadlines. © 2015 John Wiley & Sons. All Rights Reserved. 7Preparing for Your Career q Working knowledge of information technology. q Computer programming experience & expertise. q General business knowledge. q Problem-solving skills. q Interpersonal communication skills. q Flexibility and adaptability. q Character and ethics. © 2015 John Wiley & Sons. All Rights Reserved. 8The Systems Development Life overall process of systems development. © 2015 John Wiley & Sons. All Rights Reserved. 9How Do Systems Get Built?Systems Development Life Cycle (SDLC). q Planning. q Analysis. q Design. q Implementation Obsolete System New Project Launched. On­going Systems Planning. Planning. Implementation. Planned. System Project. System Design Analysis. Specifications Requirements. © 2015 John Wiley & Sons. All Rights Reserved. 10Planning Phaseq Project Initiation. o Prepare system request. o Perform preliminary feasibility Set Up the Project. o Project Plan, including work plan & staffing plan. © 2015 John Wiley & Sons. All Rights Reserved. 11Analysis Phaseq Determine Analysis Strategy. o Study existing system and its Collect and Analyze Requirements. o Develop new system concept. o Describe new system with analysis models

• Sáng kiến kinh nghiệm
• Dennis
• Wixom
• Roth Systems Analysis and Design
• 6th Edition
• DENNIS LEHANE
• QUATTRO GIORNI
• PERCHÉ È ROTTO
• POINT E FLATS
• DIMENTICA
• PARTE PRIMA
• Technologies
• Systems Engineering
• robotic
• mechanical
• anatomy
• Learning PHP Data ObjectsA Beginners Guide to PHP Data Objects
• Database Connection
• Abstraction Library
• PHP 6
• Dennis Popel
• Computer
• Machine code
• Programming language
• Program design
• Components
• The subject of rock mechanics
• Content of this book
• Geological setting
• Natural rock environments
• Stress as a point property
• Autonomous production cells
• Cellular manufacturing
• Group technology
• Kaizen blitz
• Kanban system
• Financial Officer
• Performance Management
• Strategic Plans
• Strategy Challenge
• Strategy Defined
• Aerodynamics for Engineering Students
• Wing geometry
• Thickness distribution
• Two dimensional flow
• Component velocities
• Robert Browning
• Ralph Abernathy
• Alexander the Great
• Woody Allen
• Alfred Adler
• Geoffrey Chaucer
• Dennis Chavez
• Business broker
• production management
• philosophy of business
• marketing management
• stock market
• strategic management
• Averaging
• Conservation of mass
• Multiphase flow models
• Multiphase flow notation
• distribution functions
• báo cáo khoa học
• báo cáo hóa học
• công trình nghiên cứu về hóa học
• tài liệu về hóa học
• cách trình bày báo cáo
• Báo cáo lâm nghiệp hay
• báo cáo lâm nghiệp
• công trình nghiên cứu lâm nghiệp
• tài liệu về lâm nghiệp
• Công nghệ du lịch
• Kỹ thuật nghiệp vụ
• Nghiệp vụ du lịch
• Dịch vụ lữ hành
• Lập kế hoạch lộ trình
• Tiếp thị du lịch
• PHP 5
• International Conference
• Adequate Language
• Dennis Gaitsgory
• Topological Degree
• Noncommutative Geometry
• Vector Bundles
• Hypertagging Supertagging
• Surface Realization with CCG
• Dominic Espinosa and Michael White and Dennis Mehay
• báo cáo ngôn ngữ
• xử lý ngôn ngữ tự nhiên
• Atlas and synopsis
• Synopsis of levers histopathology of the skin
• Granulomatous infiltrates
• The reticular dennis
• Diffuse and granulomatous infiltrates
• Disorders of the subcutis
• Other benign disorders of skin appendages
• John Dennis
• history
• Literary Essays
• chronologial
• francis atteruby
• Age of Pope
• The Impact of Spelling
• Errors on Patent Search
• Benno Stein and Dennis Hoppe and Tim Gollub
• scientific reports
• model language
• process natural language
• Ebook Đảo kinh hoàng phần 1
• Đảo kinh hoàng
• Văn học nước ngoài
• Tiểu thuyết nước ngoài
• Tác giả Dennis Lehane
• Ebook Đảo kinh hoàng phần 2
• Business data communications
• Data communications networks
• Data communications
• Data communications system
• Network models
• Network standards