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Chapter 1. Foundations of Information Systems in Business. Learning Objectives. Understand the concept of a system and how it relates to information systems Explain why knowledge of information systems is important for business professionals
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Chapter 1 Foundations of Information Systems in Business
Learning Objectives • Understand the concept of a system and how it relates to information systems • Explain why knowledge of information systems is important for business professionals • Identify five areas of information systems knowledge they need
Learning Objectives • Give examples to illustrate how information systems can support a firm’s • Business processes • Managerial decision making • Strategies for competitive advantage • Provide examples of information systems from your experiences with business organizations in the real world
Learning Objectives • Identify challenges that managers might face in managing successful, ethical development and use of information technology • Provide examples of the components of real world information systems • Become familiar with the myriad of career opportunities in information systems
Foundation Concepts Vital component of successful businesses Improves efficiency and effectiveness of business processes Why studyinformation systems and information technology? Facilitates managerialdecision making& workgroup collaboration Strengthens competitive position in rapidly changing marketplaces
Case 1: Value Through Business Intelligence • eCourier • Tracks customersatisfaction in real time • Immediate attention to complaints, problems • Allows GPS tracking of couriers and orders • Books 95% of deliveriesonline • Uses SeeWhy softwareto spot trends and anomalies • Optimizes system on an ongoing basis
Case 1: Value Through Business Intelligence • Cablecom • Uses online surveys to retain customers • Responds to complaints and problems within 24 hours • Bryan Cave • Optimizes resources while delivering highest customer value • Allows lawyers to track budgets in real time • Provides diversity dashboard • Enables firm to monitor client needs • Allows quick response to demands
Case Study Questions • How do information technologies contribute to the business success of the companies depicted in the case? • Provide an example from each company, explaining how the technology implemented led to improved performance
Case Study Questions • The Bryan Cave law firm used BI technology to improve the availability, access, and presentation of existing information; this allowed them to provide tailored, innovative services to customers • What other professions could benefit from a similar use of these technologies, and how?
Case Study Questions • Cablecom developed a prediction model to better identify customers at risk of switching to another company • In addition to those noted in the case, what other actions could be taken if that information were available? • Would you consider letting some customers leave anyway?
What is an Information System? Communicationnetworks Policies andprocedures People Data resources Hardware andsoftware Stores, retrieves, transforms, and disseminates informationin an organization Any organizedcombination of…
Early Information Systems • They weren’t computerized • Smoke signals • Library card catalogs • Book bag, day planner, and notebooks • Cash registers • Accounting ledger
What is E-Business? Using Internet technologies to empower… Business processes Electronic commerce Collaboration within a company Collaboration with customers, suppliers,other business stakeholders In essence, an online exchange of value
E-Business Use Reengineering Enterprise collaboration Electronic commerce Internal business processes Support communication, coordination, coordination among teams and work groups Buying, selling, marketing, and servicing of products and services over networks
Types of Information Systems Transaction processing Operations Process control Enterprise collaboration Updating of corporate databases Decision support systems Management Executive information systems
Types of Operations Support Systems Transaction Processing Systems Record and process business transactions Sales, inventory, and accounting Process Control Systems Monitor and control physical processes Using sensors to monitor refinery processes Enterprise Collaboration Systems Enhance team/workgroup communication Email, video conferencing
Two Ways to Process Transactions Process all transactions immediately Ex: A bank processes ATM withdrawals immediately Accumulate transactions over time and then process periodically Ex: Banks process all checks in a batch at night Online Processing Batch Processing
Management Support Systems Management information systems Decision support systems Executive information systems What do they do? Provide information and support foreffective decision making by managers
Types of Management Support Systems • Management Information Systems (MIS) • Reports and displays • Example: daily sales analysis reports • Decision Support Systems (DSS) • Interactive and ad hoc support • Example: a what-if analysis to determine where to spend advertising dollars • Executive Information Systems (EIS) • Critical information for executives and managers • Example: easy access to actions of competitors
Other Information Systems Expert Systems Provides expert advice Credit application advisor Knowledge Management Systems Creation, organization, dissemination of knowledge throughout company Intranet access to best business practices
Other Information Systems Strategic Information Systems Helps get strategic advantage Shipment tracking, e-commerce Functional Business Systems Focus on operational and managerial application of basic business functions Accounting, finance, marketing
Measuring IT Success • Efficiency • Minimizes cost, time, use of informationresources • Effectiveness • Supports business strategies • Enables business processes • Enhances organizational structure and culture • Increases customer and business value
Challenges and Ethics of IT Application of IT Customer relationship management Human resource management Business intelligence systems Potential Harm Privacy infringement Inaccurate information Collusion
Challenges and Ethics of IT PotentialRisks Consumer boycotts Work stoppages Government intervention PossibleResponses Codes of ethics Incentives Certification
Ethical Responsibilities • What uses of IT might be considered improper or harmful to other individuals or society? • What is the proper business use of the Internet or a company’s IT resources? • How can you protect yourself from computer crime?
IT Careers Economic downturns affecting all job sectors, including IT Negative Rising labor costs are pushing jobs to India, the Middle East, Asia-Pacific IT employment opportunities strong, with new jobs emerging daily Positive Frequent shortages of IT personnel Long-term job outlook is positiveand exciting
IT Careers Job increases will be driven by… Rapid growth in computer system design and related services The need to backfill positions Information sharing andclient/server environments Need for those with problem-solving skills Falling hardware and software prices, which fuel expanded computerization of operations
The IS Function Major functional area of business Dynamic and challenging career opportunity Important contributor to operational efficiency, employee productivity, morale, customer service/satisfaction Vital ingredient in developing competitive products and services in global marketplace Major source of information and support for decision making Key component of today’s networked business
System Concepts: A Foundation Hardware, software, data management, telecommunications networks Technology Applications To support inter-connected information systems Development Finding ways to use information technology; includes designing basic information system components Management Emphasizes the quality, strategic business value, and security of an organization’s information systems
Case 2: JetBlue & the VA • Good IT processes are as important as hardware and software when it comes to creating business value • Even smaller, less-critical processes can have ramifications of a large magnitude in the interconnected world in which we live • The IS developed by JetBlue in 24 hours, implemented during a crisis in 2007, is now a full-time system • An unscheduled system failure took down key applications in 17 VA medical facilities for a day
Case Study Questions • Eric Brinker of JetBlue noted that the database developed during the crisis had not been needed before; the company had never experienced a meltdown • What are the risks and benefits associated with this approach to IT planning?
Case Study Questions • With hindsight, we know that the decision made by Eric Raffin of the VA to not fail over to the Denver site was the correct one. But, it involved ignoring established backup procedures • With the information he had at the time, what other alternatives could he have considered?
Case Study Questions • A small, undocumented change resulted in the collapse of the VA system, largely due to the high interrelationship between its applications • What is the positive side of this high degree of interconnection, and how does this benefit patients?
What is a System? A system is… A set of interrelated components With a clearly defined boundary Working together To achieve a common set of objectives By accepting inputs and producing outputs In an organized transformation process
Basic Functions of a System Processing Output Input Transforma-tion process converts input into output Transferring transformed elements to their ultimate destination Capturing and assembling elements that enter the system to be processed
Cybernetic System • All systems have input, processing, output • A cybernetic system, a self-monitoring, self-regulating system, adds … • Feedback… system performance data • Control… monitoring and evaluating feedback to determine whether a system is moving toward the achievement of its goal
Other System Characteristics • A system that is a component of a larger system is a subsystem • The larger system is an environment • Several systems may share one environment • Connected via a shared boundary (interface) • Types of systems… • Open and Adaptive
Information System Resources InformationSystem Resources People Information Hardware Networks Software Data
Data Versus Information • Data are raw facts, typically about physical phenomena or business transactions • Specifically, objective measurements of the attributes of entities • Information is data that was converted into meaningful and useful context for end users • Aggregated, manipulated, and organized • Analyzed and evaluated • Placed in proper context for a human user