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Intro to MIS

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Business-Finance

Published on January 15, 2009

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MIS 645Management Information Systems : 1 MIS 645Management Information Systems Definitions of Management Information Systems Jerry Fjermestad Copyright 1998-1999 I. Definitions of Management Information Systems : 2 I. Definitions of Management Information Systems A. Management: What is management? B. Information: What is information? C. Systems: What are systems? D. What is an Organization E. Information Systems: What are Information Systems? I. Definitions of Management Information Systems : 3 I. Definitions of Management Information Systems F. Information Processing Systems: G. Management Systems H. Management Information Systems: What are They? II. Management Information Systems : 4 II. Management Information Systems I. MIS as an evolving concept J. Levels of management: K. What do information systems do? L. MIS and Organizational Fit M. MIS as a Discipline Definitions of Management Information Systems : 5 Definitions of Management Information Systems A. Management: What is management? Planning Organizing Leading Controlling Management: What is management? : 6 Management: What is management? Communicating 1. Planning Goal setting Environmental scanning Forecasting Data collection Management: What is management? : 7 Management: What is management? 2. Organizing Staffing Coordinating Delegating Understanding Procedures/ Policies Management: What is management? : 8 Management: What is management? 3. Leading Authority Motivating Directing: Delegation of responsibilities activating Supervising Negotiation Persuading Management: What is management? : 9 Management: What is management? 4. Controlling: Resources- Money (capital), manpower (people), materials, machines, movement (Distribution, flow), and Information Measuring Evaluating Reporting corrective action feed back Management: What is management? : 10 Management: What is management? 5. Communicating: Goals/Objectives, standards of desirability Informing Persuading Negotiation Corrective action Listening Definitions of Management Information Systems : 11 Definitions of Management Information Systems B. Information: What is information? 1. Data (raw material) Alpha-numeric Symbolic Stored facts inactive (they exist) technology based gathered from various places Information: What is information? : 12 Information: What is information? 2. Processed data meaningful perceived value motivating action HAS SURPRISE VALUE HAS NEWS VALUE Presented facts active (it enables doing) business based (Domain based) transformed form data Information: What is information? : 13 Information: What is information? 3. Model entity attribute relationship 4. Reduces Uncertainty? 5. Reduces Equivocality? Information: What is information? : 14 Information: What is information? 6. Knowledge/Power 7. Send/Receive Messages 8. A definition: Information is data that has been processed into a form that is meaningful to the recipient (USER) and is of real or perceived value in current or prospective actions or decisions. Slide 15: 15 Transforming Data Into Information Data Inputs Information Outputs Capture Manipulation Storage Provision of Access at User Location External Data Internal Data Information System Query Response Decision Outcome Expert-System Advice Transaction Document Report Organization Environment Definitions of Management Information Systems : 16 Definitions of Management Information Systems C. Systems Concepts: 1. What are systems? a. input-process-output an orderly arrangement of interdependent ideas or constructs (ABSTRACT SYSTEM) b. a set of elements which operate together to accomplish an objective (PHYSICAL SYSTEM) Systems Concepts : 17 Systems Concepts c. Network: An Integrated environment for a specific set of tasks A definition of a system: A physical system is a set of components (subsystems or elementary parts) that operate together to achieve a common objective (or multiple objective). Systems Concepts : 18 Systems Concepts d. General Model of a System: Input, process and output. The features which define and delineate a system form its boundary. The system is inside the boundary and the environment is outside the boundary. a system is composed of subsystems Examples: stereo system. PC, automobile. Systems Concepts : 19 Systems Concepts The interconnections and interactions between the subsystems are the INTERFACES. Example of a system: An information system: subsystems: PC Monitor, PC software, PC hard disk, User. What is the boundary between the software and the User? Figure Z 10.1 & Z 10.2 System : 20 System Slide 21: 21 A System: A Black Box or General View System Environment Inputs Outputs Constraints Objectives . . . . . . . . . . . . Slide 22: 22 A System and its Subsystems Environment System Interconnection Subsystems (components) Constraints Inputs Outputs Objectives System Boundary Systems Concepts : 23 Systems Concepts 2. Systems Approach: a. Identify & establish the objective of the system b. Consider the totality of its relationships with its environment c. Can not ignore the importance of the environment internal or external Systems Concepts : 24 Systems Concepts d. Identify its components and their interactions. examples: 1. Human Resources skills inventory system managerial promotion system should they be separate or linked? 2. brokerage house central client or individual broker system 3. A TPS that has a very long response time Systems Concepts : 25 Systems Concepts 3. Classifications of Systems: a. Natural and Artificial Natural Occur in nature without human intervention Biological systems- immune systems, digestive Systems Concepts : 26 Systems Concepts Artificial Human made or modified Information systems, stereo What about the immune system? Artificial systems are measured Systems Concepts : 27 Systems Concepts Effectiveness: the extend to which a systems achieves its objectives Efficiency: consumption of inputs relative to outputs Usability: the ability of the uses to use the system Satisfaction: A subjective measure of "like" or usability or effectiveness Systems Concepts : 28 Systems Concepts b. Deterministic versus probabilistic deterministic: The interaction between the parts or subsystems is known for certain; example: a computer program which performs exactly to a set of instructions probabilistic: A system that can be described in terms of probable behavior (a certain degree of error); examples: An inventory system, a five year old (who does not follow a certain set of instructions). Slide 29: 29 Systems Concepts : 30 Systems Concepts c. Closed and open systems: Closed system: self contained, one that does not exchange material, information, or energy with its environment. Examples: A freshman in an 8:00 AM class; A chemical reaction in a sealed, insulated container. Systems Concepts : 31 Systems Concepts Relatively closed systems: in organizations and in information processing, there are systems that are relatively isolated from the environment, but are not completely closed, these will be considered closed systems. Examples: a pre 1990 manufacturing system a computer program with well defined inputs, a process and an output (No agents) Systems Concepts : 32 Systems Concepts Open Systems: exchange information, material, or energy with the environment, including random and undefined inputs. Examples: Biological Systems, and Organizational Systems Open systems tend to have form and structure Adapt to changes in environment so as to continue to exist z Figure 10.3 Slide 33: 33 Systems Concepts : 34 Systems Concepts d. Human-Machine Systems: They both perform some of the activities in the accomplishment of a goal (making a decision). the Machine elements are - hardware and software are relatively closed and deterministic. Systems Concepts : 35 Systems Concepts the human element are open and probabilistic Examples: The computer doing the computations, the human having a cup of coffee and thinking about the answers. D & O p274 Slide 36: 36 Slide 37: 37 SYSTEM INTERDEPENDENCE BUSINESS Strategy Rules Procedures ORGANIZATION INFORMATION SYSTEM INTERDEPENDENCE SOFTWARE HARDWARE DATABASE TELE-COMMUNICATIONS 1.13 Definitions of Management Information Systems : 38 Definitions of Management Information Systems D. What is an Organization? Definition: An Organization is a systematic arrangement of people and technology intended to accomplish some purpose. What is an Organization? : 39 What is an Organization? 1. Organizations are collectivities oriented to the pursuit of relatively specific goals and exhibiting relatively high formalized social structures. RATIONAL 2. Organizations are collectivities whose participants share a common interest in the survival of the system and who engage in collective activities, informally structured, to secure this end. NATURAL SYSTEM What is an Organization? : 40 What is an Organization? 3. Organizations are coalitions of shifting interest groups that develop goals by negotiation; the structure of the coalition, its activities, and its outcomes are strongly influenced by environmental factors. OPEN SYSTEM Input: Men, Materials, Money, Machines, Information Output: Goods and Services Middle: Resources are transformed to create a surplus (PROFIT) What is an Organization? : 41 What is an Organization? Every Organization has 3 parts: 1. people: (workers, supervisors, consultants, engineers, superintendents, etc.) 2. Tasks: the operations (paint, fix, print, compress, etc.) 3. Management: Planning, Organizing, leading, controlling the performance of people engaged in the tasks Management includes: arranging, conducting discussions and meetings during which decisions are made about how work would be done. Definitions of Management Information Systems : 42 Definitions of Management Information Systems 8. Organizational Systems a. Questions: 1. What are the strategic parts of a system? 2. What is the nature of their mutual dependency? 3. What are the main processes in the system that link the parts together and facilitate their adjustments to each other? 4. What are the goals sought by systems? Organizational Systems : 43 Organizational Systems b. The Organization as a system: The focus is on interdependency of the subsystem components of the system. 1. Subsystems: production, managerial, adaption/innovation subsystem 2. Each subsystems has goals and contributes or may be not to the whole system 3. thus encouraging the interdependency of the subsystems. 4. The interdependency depends on COMMUNICATION. Organizational Systems : 44 Organizational Systems 5. Each specialized function (marketing, manufacturing, etc) develop a distinctive nucleus of operating procedures, values, and information processing requirements. The adaptive (Strategic) may be oriented to: change, innovation, the environment, and the future. The Managerial component is oriented toward: growth, stability, efficiency, and "speed" in decision making. The production component may be keyed to: efficiency, rationalization, and careful programming of activities. Organizational Systems : 45 Organizational Systems 6. The Open systems approach to organizations a. differentiate functions to cope with environmental change and Complexity. b. Organizations must design integrative mechanisms to coordinate differentiated tasks and design feedback systems for adaption. c. Organizations must also develop/incorporate multiple paths to achieve the goals. Example: MicroSoft- Goal To be the largest Software company. Started with DOS and developed NEW products, marketing strategies. Definitions of Management Information Systems : 46 Definitions of Management Information Systems 9. Characteristics of Open Organizational Systems a. Suprasystem (The environment): Open systems exchange resources, energy, and information with their environment (permeable boundaries, like cells). 1. There exist an interdependency between organizations and their environments. Characteristics of Open Organizational Systems : 47 Characteristics of Open Organizational Systems 2. The environment partially determines the type of structures that the organization will adopt to cope with the: degree of technological change complexity uncertainty equivocality 3. The structures will then influence the processes and behavioral patterns within the organization. Characteristics of Open Organizational Systems : 48 Characteristics of Open Organizational Systems b. Equilibrium: Open systems tend to maintain themselves in steady states (Stability). 1. Control mechanisms: rules, regulations, plans, hierarchy 2. Organizations "must" maintain "some" level of stability to effectively engage in adaptive behaviors, i.e. strategic planning, market research, technological forecasting or new product development 3. Both maintenance and adaptive activities are required for organizational survival. Characteristics of Open Organizational Systems : 49 Characteristics of Open Organizational Systems c. Feedback: The steady state is maintained through the feedback process. 1. The boundary spanning units (marketing, marketing research, regulatory affairs, Community/Public relations, CEO) serve as external scanning and sensing functions to provide information flow between the organization and its environment. 2. This in turn facilitates adaptation. 3. The internal sensing and scanning functions of organizations (task forces, consultants, etc.) provide the INTERPRETATION necessary to make the transitions (internal adaptation) through feedback. Characteristics of Open Organizational Systems : 50 Characteristics of Open Organizational Systems d. Cycle of events: The processes: Raw material- intermediates- Finished goods e. Control: The dynamic interplay of subsystems The control mechanisms are: SOP's, values, norms, and subcultures. Characteristics of Open Organizational Systems : 51 Characteristics of Open Organizational Systems f. Differentiation (Progressive Segregation): The system divided into a hierarchical order of subordinate systems. Each has different jobs, tasks, departments and functions. Note: As change, complexity, and uncertainty increase, organizations tend to become decentralized. why? g. Equifinality: Identical results can be obtained from different initial conditions. The multiplicity of paths to organizational outcomes is a cardinal feature of organizations. What does this mean? Characteristics of Open Organizational Systems : 52 Characteristics of Open Organizational Systems h. Learning and Growth: An open system that is to change must: contain very specific feedback mechanism a certain variety of information particular kinds of input channel storage. cognitive apparatus decision making centers. Characteristics of Open Organizational Systems : 53 Characteristics of Open Organizational Systems The capacity to learn and innovate must be institutionalized into the information- processing systems of the organization. The capacity of the system to learn from feedback is essential to its growth. What do you think? Definitions of Management Information Systems : 54 Definitions of Management Information Systems E. Information Systems What are Information Systems? 1. Information (another definition): an increment in knowledge. Information relies on the context of the question .general knowledge of the recipient. 2. Informal information: interpersonal networking Note: Informal information and other information may not lend itself to computerization, yet! 3. Formal information: Organized information with a specific purpose following rules and procedures (highly structured) Information Systems : 55 Information Systems Zwass, f1.2, p14 Definitions of Management Information Systems : 56 Definitions of Management Information Systems F. Information Processing Systems: 1. An information system in many respects is a closed system, it is simply the code. 2. An information processing function frequently needs data collected and processed in a prior period. 3. The data/information storage is added. Davis & Olson 288, 289 Slide 57: 57 Slide 58: 58 Definitions of Management Information Systems : 59 Definitions of Management Information Systems G. Management Systems 1. Primary function(s) mediate between the organization and the immediate task environment. customers suppliers processes Management Systems : 60 Management Systems 2. What do managers do? assume responsibility must balance competing goals be a conceptual thinker work with and through other people be a mediator must be a politician must be a diplomat makes difficult decisions Management Systems : 61 Management Systems 3. Management is the work involved in combining and directing the use of resources to achieve particular purposes Leading Management Systems : 62 Management Systems 4. What distinguishes mgmt from other work is that it focuses on maintaining the organization so that it can accomplish its task POSDCORB Planning Organizing Staffing Directing Coordinating Reporting Budgeting Management Systems : 63 Management Systems 5. Schools of management a. Systems Approach Linear Thinking 1. A problem exists 2. It has a single cause 3. It requires a single solution 4. The solution can be evaluated entirely in terms of its impact on the problem 5. The solution will stay put. cause --> Problem --> Action --> Solution Management Systems : 64 Management Systems Systems thinking 1. A problem exists 2. It has a single cause 3. It requires a single solution 4. The solution will have effects apart from the intended impact upon the problem 5. It makes sense to try to anticipate those effects 6. The solution can be evaluated by identifying and weighing the mix of intended and unintended effects 7. The solution will not stay put, since the situation will change Problem embedded intended and in environmental ----> ACTION ---> unintended conditions consequences Management Systems : 65 Management Systems b. The contingency Approach Organizations are systems made up of interdependent parts, people, tasks and mgmt fit together and depend upon one another. There is no one best way to manage Equifiniality Different ways to fit different situations. What is the definition of personality? Isn't it the interaction between the environment and behavior of the person? An Organization is like that!! Management actions Situational Organizational are Contingent upon --> Characteristics --> Results for Planning Definitions of Management Information Systems : 66 Definitions of Management Information Systems H. Management Information Systems What are They? 1. Definition: A Management Information system is: an integrated user-machine system for providing information to support the operations, management analysis, and decision making functions in an organization Management Information Systems : 67 Management Information Systems The system utilizes Computer hardware & software Manual procedures Models of analysis, planning, control, and decision making and a database. Management Information Systems : 68 Management Information Systems 2. Computer based means that the designers of a MIS must have knowledge of computers and of their use in information processing. 3. The USER-MACHINE means that the systems designer should understand the capabilities of human as system components (as information processors) and the behavior of humans as users of information. Management Information Systems : 69 Management Information Systems 4. Integration: A plan. Should eliminate: redundancy, incompatible hardware & software. Achieved through standards and guidelines and procedures. 5. Data Base: A order system for storing. retrieving and selecting information. 6. Models: A mathematical representation of an actual system, containing independent variables that influence the value of a dependent variable (text book). Models may be thought of as containing only the essential of the real system. Management Information Systems : 70 Management Information Systems I. MIS as an evolving concept 1. MIS: Many companies are now using their computers to provide information for decision making; that is, they are using a management information system. 2. MIS can provide managers with information in a usable from. A MIS is a formal Inf network using computers to provide management information for decision making The goal of MIS is to provide the correct information to the appropriate manager at the right, in a useful from. MIS as an evolving concept : 71 MIS as an evolving concept 3. Successful MIS must provide inf that can be applied: MIS should known who the users are MIS should provide the information the user needs MIS should provide the information in the format the user can understand. Slide 72: 72 NEW OPTIONS FOR ORGANIZATIONAL DESIGN FLATTENING ORGANIZATIONS SEPARATING WORK FROM LOCATION INCREASING FLEXIBILITY REFINING ORGANIZATIONAL BOUNDARIES ELECTRONIC COMMERCE REORGANIZING WORK FLOWS * 1.15 Management Information Systems : 73 Management Information Systems J. Levels of management: In order to understand who the users of an MIS are and what information they need, one must first understand the levels of management and the types of decisions are made at each level. Slide 74: 74 Levels of management : 75 Levels of management 1. Lower level management makes decisions that affect day to day operations. Programmed decisions that are predetermined by rules and procedures. They lead to a desired result. The information needs of lower-level mgrs. can be met by administrative data processing activities. Levels of management : 76 Levels of management 2. Middle-level mgrs. plan working capital, schedule production, formulate budgets, and make short-term forecasts. Mid-level managers make tactical decisions that usually involve time periods of up to two years. Many Mid-level mgmt decisions are non-programmed decisions. No specific predetermined steps cab be followed to each solution. The information needs of Mid-level mgrs. must be specific. Levels of management : 77 Levels of management 3. Top-level mgrs. provide direction for the company by planning for the next five years +. Top-level mgrs. make strategic decisions that involve a great deal of uncertainty. Top-level mgt. decisions are non-programmed decisions. 4. Today ( ) Strategic and Management levels are combined. Why? Management Information Systems : 78 Management Information Systems K. What do information systems do? 1. Transaction processing: Operational data processing Examples: Manufacturing systems, order processing, accounts receivable, payroll 2. Management Reporting Systems: Produce reports for specific time periods; designed for managers responsible for specific functions in a firm. Examples: Departmental expense reports, performance reports What do information systems do : 79 What do information systems do 3. Decision Support Systems (DSS): Designed to support individual and collective decision making. 4. Executive Information Systems (EIS): Support the work of senior executives (via themselves or an analysts) with access to company data and general information on the industry and economy. What do information systems do : 80 What do information systems do 5. Office Information Systems (OIS): Support and coordinate knowledge work in an office environment by handling documents and messages in a variety of forms- text, image, voice, multimedia, video, fax, etc Zwass, fig 1.1 p 9 Slide 81: 81 Management Information Systems : 82 Management Information Systems L. MIS and Organizational Fit Zwass, fig 1.3, p17 Zwass, fig 1.5, 20 Slide 83: 83 1.10 Slide 84: 84 Slide 85: 85 Slide 86: 86 Structure of a Virtual Organizations - Network Organization Virtual Organization Customers Core Firm Management Mktg & Sales Res. & Dev. Info. Systems Manu- facturing Manu- facturing Manu- facturing After-Sale Service Logistics Firms Acting as Corporate Partners Management Information Systems : 87 Management Information Systems M. MIS as a Discipline Zwass, fig 1.6, p23 (Zwass, 1992) Zwass, fig 1.7, p24 (Zwass, 1992) Slide 88: 88 Slide 89: 89 Slide 90: 90 VIRTUAL ORGANIZATION 1.16 Slide 91: 91 CHALLENGE OF INFO SYSTEMS STRATEGIC: COMPETITIVE & EFFECTIVE GLOBALIZATION: MULTINATIONAL INFO INFO ARCHITECTURE: SUPPORT GOALS INVESTMENT: VALUE OF INFORMATION RESPONSIBILITY & CONTROL: ETHICS * 1.17 Slide 92: 92 WHAT YOU CAN DO ON THE INTERNET COMMUNICATE & COLLABORATE ACCESS INFORMATION DISCUSSIONS OBTAIN INFORMATION ENTERTAINMENT BUSINESS TRANSACTIONS * 1.18

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