Information Systems Midterm Review Synopsis: In order to achieve an objective, you must use an Information System, which is composed of Information Technologies (such as Data, Hardware, and Software) Information Systems -Information Technology (IT) -hardware, software, etc. used to store and organized data -Examples of IT (Types of Components that make up an IS) 1) Data 4) Media 2) Hardware 5) Procedures 3) Software 6) People -Information Systems (IS) -combo of hardware, software, etc. people use to accomplish a specific objective Three Pillars of Information Tech Growth You need pillars to make a DEC(k) 1) Digital -if a good is digitalized, it can be replaced perfectly and distributed with low costs and is easily measured 2) Exponential -Information technology has been exponentially improving (the rate of growth) in the past decades 3) Combinational -Information technology can be combined by layering with other tech advances -Business Process -Business Process -collection of related activities that produce a specific product -combination of different departments working together through a series -Algorithm -sequence of steps that solve a distinct problem -sometimes just one activity or task -Flowchart -Diagram that provides visual view of an algorithm or business process -Role of Information Systems in Organizational Change -Process Improvement -Business Process Improvement (BPI) -Process=structured set of activities designed to produce an output -Automation -Business Process Automation (BPA) -Redesign -Business Process Re-engineering (BPR) -Reengineering=fundamental rethinking and radical redesign of business processes -Process Control -enforces business rules, ensures that processes are followed
-Information Flow -improves communication and efficiency -Types of Information Systems -Different situations/objectives require certain types of information system Positions Types of Positions Types of Information Systems 1) Executive 1) Executive Information System 2) Senior Manager 2) Decision Support Systems 3) Middle Managers 3) Management Information Systems 4) Workers 4) Transaction Processing Systems Decisions Types of Decisions Types of Information Systems Scope of Reach Size/Type of Organization Types of Information Systems Multiple Organization Global Systems Interorganiza-tional Systems Integrated Enterprise Systems Functional and Management Information Systems Transaction Processing Systems Personal Applications Complete system integration across nations Integrates across
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- Spring '13