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Chapter Final

Notes for every chapter for Itm 102-101 . Perfect as a exam study guide!

59 Pages
Winter 2012

Information Technology Management
Course Code
ITM 102
Vikraman Baskaran

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Chapter 1Information Systems in Global Business Today y Ecommerce and internet advertising are booming y Old systems are being destroyingentirely new systems are taking their place y Successful firms are those that learn how to use new technology y Globalization Union of people businesses and governments at a global level How is this possible Internet Flattened world Emergence of Digital FirmBusiness relationships are digitally enabled Customers Suppliers EmployersBusiness Objectivesy Operational Excellence businesses seek to improve the efficiency of their operations in order to achieve higher profitability ISstechnologies are some of the most important tools available to managers for achieving higher levels of efficiency and productivity in business operations Walmart y New Products Services and Business Models ISs and technologies are a major enabling tool for firms to create new productsservices A business model describes how a company produces delivers and sells a product or service to create wealth Apple Inc y Customer and Supplier Intimacy the more a business engages its suppliers the better the suppliers can provide critical inputs This lowers costs Nygard y Improved Decision Making Businesses and managers never really have right information and the right time to make informed decisions they take chances and the poor outcomes raise costs and loose customers In the past decade ISs and technologies have made it possible for managers to use real time data from the marketplace when making decisions Digital Dashboardy Competitive Advantagewhen business firms have one or more of the business objectives chances are they have already achieved competitive advantage Doing things better than your competitors charging less for superior products and responding to customers and suppliers in real time all add up to higher sales and higher profits that your competitors cannot match Toyoto IS help implement its TPS Toyoto Productions System produce vehicles based on what customers have actually ordered y Survival Business firms invest in IS and technologies because they are necessities of doing business These necessities are driven by industry level changes ATM machines Information SystemsIS is a set of interrelated components that collectretrieve process store and distributeshare information to support decision making and control in an organization y Four activities in an IS produce the information that organizations need to make decisions control operations analyze problems and create new products or servicesInput captures or collects raw data from within the organization or from its external environment Processing converts this raw input into a meaningful form Output transfers the processed information to the people who will use it or to the activities for which it will be used Feedback output that is returned to appropriate members of the organization to help them evaluate or correct the input and processing stages Organizations y Senior Management makes longrange strategic decisions about products and services and ensures the financial performance of the firm y Middle Management carries out the programs and plans of the senior management y Operational Management is responsible for monitoring the daily activities of the business y Complementary Assets are those assets required to derive value from a primary investment y Technical Approach to IS emphasizes mathematically based models to study IS as well as the physical technology and formal capabilities of these systemsComputer Scienceconcerned with establishing theories of computability methods of computation and methods of efficient data storage and access Management Science emphasizes the development of models for decision making and management practices Operations Research focuses on mathematical techniques for optimizing selected parameters of organizations such as transportation inventory control and transaction costs y Behavioural Approach concerned with behavioural issues that arise in the development and longterm maintenance of IS Issues such as strategic business integration design implementation utilization and management cannot be explored usefully with the models used in the technical approach Sociology study IS with an eye toward how groups and organizations shape the development of systems and also how systems affect individuals groups and organizations Psychology study IS with an interest in how human decision makers perceive and use formal information Economics study IS with an interest in understanding the production of digital good the dynamics of digital markets and understanding how new information systems change the control and cost structures within the firm Chapter 2Business ProcessesCollection of business activities How work is organized coordinated and focused to deliver a product to service IT and IS plays an important role in todays businessesEnables new business processes that are more efficient and effectiveHow Information Technology Enhances Business Processes y New technology can change the flow of information y Making it possible for many more people to access and share information y Replacing consecutive steps and tasks that can be performed simultaneously y Eliminating delays in decision making How Information Systems Serve Management y Business will have systems supporting processes for each of the major business functionsEx Accounting Finance marketing manufacturing and production y Transaction Processing System is a computerized system that performs and records the daily routine transactions necessary to conduct business such as sales order entry hotel reservations payroll employee record keeping and shippingy Management Information Systems MIS designates a specific category of IS serving middle management MIS provide middle managers with reports based on the organizations current performance This info is used to monitor and control the business and predict future performanceDecision Support System DSS support nonroutine decision making for middle management They focus on problems that are unique and rapidly changing for which the procedure for arriving at a solution may not be fully predefined in advance Ex What would be the impact on production schedules if to double sales in the monthWhat happen to tax return if a factory schedule were delayed y Also use external information from TPS and MISEx Current stock prices or product prices of competitors y Executive Support Systems ESS help senior management make these decisions ESS addresses nonroutine decisions requiring judgement evaluation and insight because there is no agreedon procedure for arriving at a solution Portaluses a Web interface to present integrated personalized business content ESS designed to incorporate data about external eventsEx New tax laws competitors y Digital dashboardsconsists of workstation with menus interactive graphics and communications capabilities from internal corporate systems y Enterprise Applications are systems that span functional areas focus on executing business processes across the business firm and include all levels of managementHelp businesses become more flexible and productive by coordinating their businesses processes more closely and integrating groups of processes so the focus on efficient management of resources and customer service Enterprise Systems As known as enterprise resource planning ERP y Collect data from various key business processes in manufacturing and production finance and accounting sales and marketing and human resources and storing the data in a single central data place
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