INF1059-textbook-summary - http/wikistudent.ws/Unisa...

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http://wikistudent.ws/Unisa FUNDAMENTALS OF BUSINESS INFORMATION SYSTEMS (INF1059) – new textbook (notes made of Summary notes in book) CHAPTER 1 Components of computer-based information systems (CBIS) include hardware (h/ware), software (s/ware), databases (d/bases), telecommunications (telecoms) and Internet (Net), people and procedures Types of CBISs that Organisations (Orgs) use: 1. E-commerce and M-commerce, TPS and ERP systems 2. MIS and DSS 3. Specialised business information (info) systems E-commerce - a) business to business (B2B) b) business to consumer (B2C) c) business to public sector d) consumer to public sector e) consumer to consumer (C2C) M-commerce - 'Anywhere, anytime', relies on wireless, ie PDAs, mobile phones and smart phones Can be improved by addressing ease of use, security and network speed Transaction Processing System (TPS): large volumes of daily business (bus) transactions Enterprise Resource Planning (ERP): manages vital bus operations Management Information System (MIS): for management decision making Decision Support System (DSS): make problem-specific decisions Specialised bus info systems include: knowledge management – create, store, share and use Org's knowledge artificial intelligence – takes on human intelligence characteristics expert – acts as an expert consultant to a user virtual reality systems, eg 3D Robotics, eg welding car frames Neural networks – recognise and act on patterns/trends *see Pg 21 for an overview of Systems Development Value chain of activities include: 1. Inbound logistics 2. Warehouse and storage 3. Production 4. Finished product storage 5. Outbound logistics 6. Marketing and sales 7. Customer service Supply Chain Management (SCM) Customer Relationship Management (CRM) Technology diffusion – measure of how widely technology is in place throughout Org Technology infusion – extent to which technology permeates area/department Technology Acceptance Model (TAM) – predicts IS usage and performance
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http://wikistudent.ws/Unisa CH 1 CONT. Five-forces model (factors that lead firms to seek competitive advantage): rivalry among existing competitors threat of new market entrants threat of substitute products and services bargaining power of buyers bargaining power of suppliers Three strategies to address these factors (competitive advantage): alter the industry structure create new products and services improve existing product lines and services Return on Investment (ROI) – measures value of IS project Total Cost of Ownership (TCO) * see Pg 31 The IS Department Careers in Information Systems: 1. Operations 2. Systems Development 3. Support 4. Information Service Units Typical IS Titles and Functions - a) Chief Information Officer b) LAN Administrator c) Internet Careers d) Systems Developers Global challenges in IS - Cultural Language Time and Distance Infrastructure Currency Product and Services Technology transfer issues National laws Trade agreements
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http://wikistudent.ws/Unisa CHAPTER 2
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