Mis 2
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Mis 2 Mis 2 Presentation Transcript

  • Information system
    • Information systems are implemented within an organization for the purpose of improving the effectiveness and efficiency of that organization.
  • Kinds/ Types of IS
    • Transaction Processing system
    • Office Automation System
    • Management Information System
    • Decision Support System
    • Group Decision Support System
    • Expert System
    • Executive Support System
  • Transaction Processing system
    • A TPS is a information system that records company transaction….
    • A transaction is defined as a exchange or cross-functional information system between two or more business entities…..
    • Events that occur as part of doing business like sales, purchases, refunds and payments..
    • Eg: Ticket reservation
  • Characteristics of TPS
    • It records Internal and external transaction for a company.
    • It performs routine, repetitive task.
    • Transaction can be recorded in online
  • Process of TPS Transaction Process Enter data Validate data Validated Results Generate Output Facilitate Queries
  • Process of TPS
    • There are six steps in processing a transaction ………..
    • Data entry
    • Data capture
    • Data validation
    • Processing and revalidation
    • Storage
    • Output generation
    • Query support
  • Office Automation System
    • OAS means the complete integration of…
    • Word processing,
    • Electronic filing,
    • Diary management and
    • Communication, including electronic mail, telex and fax….
  • Components of OAS
    • Function
    • Software package
    • Software type
    • Word processing
    • Electronic Spreadsheets
    • Graphics
    • Project management
    • Electronic Mail
  • Advantages of OAS
    • Increased productivity
    • Improved quality of work
    • Improved organizational effectiveness
    • Better service
    • Better management control
    • Disadvantages:
    • Office staff became dependent on computers
    • OAS is expensive than manual system
    • Health problem to employees
  • Managemen t Information System
    • According to G.B. Davis ,
    • “ MIS is an integrated man/machine system for providing information to support the operations, management and decision making function in an organization”
    • MIS is a system that aid management in making , carrying out and controlling decision.
  • Characteristics of MIS
    • MIS is an integrative system
    • MIS is coordinated system
    • MIS is flexible
    • MIS enhance productivity
    • MIS is a feedback system
    • MIS transform the data into information
  • Functions of MIS Collect Data Store and Process Managers Present Information to Mangers
  • Application of MIS
    • Strategy support
    • Computers can assist management to understand the effects of their strategies and help enable effective decision making………
    • Data processing
    • MIS system allow for the collation of vast amounts of business data, but they also provide a valuable time saving benefit to the workforce……………….
  • Decision Support System
    • DSS is an outcome of MIS providing support for management at operational control, management control and strategic planning….
    • In DSS currently receiving much publicity is computer graphics…..
    • The term decision support system refers to a system which support process of making decisions…..
  • Cont……….
    • Definition….A set of well-integrated, user-friendly, computer-based tools that combine data with various decision making models- quantitative and qualitative to solve semi-structured and unstructured problems
    • According to Scott Morton,
    • “ DSS as interactive computer based systems, which help decision-makers to utilize data and model to solve unstructured problems”
  • Components of DSS
    • Hardware Resource
    • Software Resource
    • Data Resource
    • Model Resource
    • People Resource
    • Decision Support System Package
  • Application of DSS
    • Independent problem
    • Interrelated problem
    • Organizational problem
  • Group Decision Support System
    • Meaning of GDSS……….
    • GDSS is an interactive, computer based system that facilities solution of unstructured problem by set of decision makers working together as a group…..
  • Chacterstics of GDSS that Enhance Decision Making
    • Special design
    • Ease of use
    • Flexibility
    • Decision- Making Support
    • Reduction of Negative group behavior
    • Parallel communication
  • Expert System
    • An experts system is software that contains a knowledge base of facts and relationships and has ability to make inferences based on that knowledge base
    • According to REBOH and REITER…..
    • “ Expert systems are interactive computer programs incorporating judgment, rules of thumb, intuition and other expertise to provide knowledgeable advice about a variety of tasks”
  • Components of ES
    • Knowledge acquisition subsystem
    • Knowledge base
    • Inference engine.
    • User interface.
  • Business Application of Expert System
    • Manufacturing
    • Marketing
    • Accounting and Finance
    • Personnel
    • General Business
  • Executive Support System
    • EIS or ESS are information system that combine many of the features of management information system and decision support system …….
  • Components of EIS
    • Hardware
    • Software
    • Interface
    • Telecommunication
  • Applications of EIS
    • Manufacturing
    • Marketing
    • Financial