By Jeffery L. Whitten, Lonnie D Bentley, Kevin C. Dittman.
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Transcript of By Jeffery L. Whitten, Lonnie D Bentley, Kevin C. Dittman.
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SYSTEM ANALYSIS AND DESIGN
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SYSTEM ANALYSIS AND DESIGN METHODS 6TH EDITION
By Jeffery L. Whitten, Lonnie D Bentley, Kevin C. Dittman
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IS: An Information System can be any organized combination of people, hardware, software and data for an organization .
MIS: Management Information System is that stores, retrieves, transforms and disseminates information in an organization.
Transaction Processing Systems◦ Batch – transaction data accumulate over time, processed periodically.◦ Real-time – data processed immediately after a transaction occurs
IT: Information Technology refers to various hardware, software, networking and data management components necessary to operate
A framework of system analysis and design
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Decision Support System:◦ Provide information and techniques to analyze specific
problems Executive Information Systems
◦ critical information tailored to the information needs of executives
Expert System Office automation system
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The team consist of:- Information workers System owner-Manager System user
◦ Internal◦ External
System Designer System Builder System Analyst External service provider The project manager
The Players-system stakeholders
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Globalization of economy Electronic commerce Security Privacy Collaboration and partnership KM TQM BPR
Business Drivers for today’s information system
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These are general e-commerce types: Business to Business (or B2B) e-commerce (sometimes
called e-procurement) Business to Consumer (or B2C) e-commerce Consumer-to-consumer (or C2C) e-commerce Non-Business EC: NGOs, universities , schools etc.
activities to improve their operations and reduce costs. Business-to-government (or B2G) e-commerce Intra-business EC: E-commerce category that includes all
internal organizational activities that involve the exchange of goods, services, or information among various units and individuals in an organization.
Electronic commerce and business
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System analysts must be capable of:◦ Fully understanding the User’s organizational
system mission, objectives, and most probable applications.
◦ Analytically organizing, extracting, and decomposing the OPERATING ENVIRONMENT
◦ relative to the mission into manageable problem space(s) and solution space(s).
◦ Effectively developing a system solution that ensures mission success within the constraintsof cost, schedule, technology, support, and risk factors.
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Internet & networks Mobile & Wireless technologies Object Oriented technologies
◦ Agile development Collaborative technologies Enterprise applications
◦ ERP◦ SCM◦ CRM◦ EPI
Technology Drivers for today’s Information System
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Identify the problem System Analysis System Design System Implementation System Support
System Development Process