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THE FIVE FORCES MODEL – EVALUATING BUSINESS SEGMENTS. Organizations use Porter’s Five Forces Model to determine the relative attractiveness of an industry. THE THREE GENERIC STRATEGIES – CREATING A BUSINESS FOCUS. VALUE CHAINS – TARGETING BUSINESS PROCESSES.
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THE FIVE FORCES MODEL – EVALUATING BUSINESS SEGMENTS • Organizations use Porter’s Five Forces Model to determine the relative attractiveness of an industry
VALUE CHAINS – TARGETING BUSINESS PROCESSES • Graphical Depiction of a Value Chain
Computer System CPU Output Input Control Unit Arithmetic/Logic Unit Storage Devices: Hard Drive Disk Flash Stick RAM TelecommunicationDevices
APPLICATION SOFTWARE • Personal productivity software - used to perform personal tasks such as writing a memo, creating a graph, or creating a slide presentation • Examples: • Microsoft Word • Microsoft Excel • Internet Explorer • Quicken
SYSTEM SOFTWARE • System softwarecontrols how the various technology tools work together along with the application software • Two basic categories: • Operating System • Utility
Relational DatabaseEntities, Entity Classes, and Attributes • Entity – a person, place, thing, transaction, or event about which information is stored • The rows in each table contain the entities • Figure 2.6 on page 63, CUSTOMER includes Dave’s Sub Shop and Pizza Palace entities • Entity class (table) – a collection of similar entities • Figure 2.6 on page 63 includes CUSTOMER, ORDER, ORDER LINE, DISTRIBUTOR, and PRODUCT entity classes
DATA WAREHOUSE FUNDAMENTALS • Data Warehouse Model
MULTIDIMENSIONAL ANALYSIS AND DATA MINING Data mining– the process of analyzing data to extract information not offered by the raw data alone • To perform data mining users need data-mining tools • Data-mining tools – use a variety of techniques to find patterns and relationships in large volumes of information and infer rules from them that predict future behavior and guide decision making • Prospective in nature (look forward based on unexpected or unique relationships among data) • Include query tools, reporting tools, multidimensional analysis tools, statistical tools, and intelligent agents
Business Intelligence • Business intelligence - is knowledge about your customers, competitors, partners, competitive environment, and internal operations. • Two types of information processing include: • OLTP – the processing of transaction information. • OLAP – manipulation of information to support decision making.
The Relational Database Model With Built-In Integrity Constraints Team Work Primary Keys, Foreign Keys, and Integrity Constraints (p. 133) • Integrity constraints – rules that help ensure the quality of the information.
Introduction Systems development life cycle (SDLC) - a structured step-by-step approach for developing information systems.
Entity Relationship Diagram (ERD) Invoices Products M M Each Invoice can have manyproducts associated with it. Each Product may be associated with many invoices.