By Jeffery L. Whitten, Lonnie D Bentley, Kevin C. Dittman
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
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
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
Globalization of economy Electronic commerce Security Privacy Collaboration and partnership KM TQM BPR
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.
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.
Internet & networks Mobile & Wireless technologies Object Oriented technologies ◦ Agile development Collaborative technologies Enterprise applications ◦ ERP ◦ SCM ◦ CRM ◦ EPI
Identify the problem System Analysis System Design System Implementation System Support