Unit 1 MIS Classroom ppt(2)
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Transcript of Unit 1 MIS Classroom ppt(2)
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Management Information System
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Definitions
• Data • Information• Systems• Information System• Management Information system• End user – Diff types.• Managerial end user.
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Data
• Data: - are raw facts or observations, typically about physical phenomena or business transactions. More specifically, data are objective measurements of the attributes (characteristics) of entities, such as people, places, things, and events.
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Information
• Information: - is processed data, which has been placed in a meaningful and useful context for an end user. Data is subjected to a “value-added” process (data processing or information processing) where:– Its form is aggregated, manipulated, and organized.– Its content is analyzed and evaluated– It is placed in a proper context for a human user
• Information is data that has been processed into a form that is meaningful to the recipient and is of real or perceived value in current or prospective actions or decisions.
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Data, Information, and Knowledge
• Data: raw facts• Information: collection of facts organized in
such a way that they have value beyond the facts themselves
• Knowledge: awareness and understanding of a set of information and ways that information can be made useful to support a specific task or reach a decision
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Data, Information, and Knowledge (continued)
Types of Data
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System
• A group of interrelated or interacting elements forming a unified whole.
• A group of interrelated components working together toward a common goal by accepting inputs and producing outputs in an organized transformation process (dynamic system).
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Input Processing Output
Control
Environment
Other systems
System Boundary
Components of a Dynamic System
Feedback Signals
Control Signals
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System ConceptsSystem Concepts
ManufacturingProcess
Input ofRaw Materials
Output ofFinished Products
Environment
Other Systems
Control byManagement
ControlSignals
ControlSignals
FeedbackSignals
FeedbackSignals
System Boundary
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Components of System
• Input• Processing ( transformation )• Output• Feedback• Control• System boundary• Environment
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System
• Open system• Closed system• Sub system• Adaptive system
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Information system
• An information system (IS) can be any organized combination of people, hardware, software, communications networks, and data resources that collect, transforms, and disseminate information in an organization
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Components of an INFORMATION System
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Components of an Information System (Continued)
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IS Resources and ProductsPeople Resources
– Specialists: system analysts, programmers, operators– End users : anyone else using the system
Hardware Resources– Machines: computers, video monitors, disks, printers, scanners– Media: floppies, tapes, disks, plastic cards, paper forms, ...
Software Resources system, application, procedures– Programs: OS , spreadsheet programs, payroll programs , ....– Procedures: data entry, error correction, paycheck distribution, ...
Data Resources database, model base, knowledge base– Product descriptions, customer records, inventory databases,...
Network resources– Communication media, network support, ...
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A Business as a SystemThe community Competitors
Supp
liers
Gov
ernm
ent A
genc
ies
Cust
omer
sSt
ockh
olde
rs
Financial Institutions Labor Unions
Management
Information Systems
Economic Resources:PeopleMoneyMaterialLandFacilitiesEnergyInformation
Organizational Processes:
ProductionMarketingFinance
PersonnelOther Processes
Goods and Services:ProductsServicesPaymentsContributionsInformationOther Effects
Control
Feedback
Input PROCESSING Output
Stakeholders in the Business Environment
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Major Roles of IS
Support CompetitiveAdvantage
Support Business
Decision Making
Support of Business Processes and Operations
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IS in the E-Business Enterprise
• Every business competes globally (whether they realize it or not)
• IS supports business operations through the use of:– Intranets– Extranets– Internet– Other information technologies
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IS in the E-Business Enterprise (contn)
• Enterprise Collaboration Systems– Support communication, coordination, &
collaboration.• Virtual teams
• Electronic Commerce– Buying & selling, and marketing & servicing of
products, services, & information.
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Managerial challenges of information technology
• Information systems can be mismanaged and misapplied so that they create both technological and business failure.
Top Five Reasons for Success Top Five Reasons for Failure
User involvement Lack of user input
Executive management support Incomplete requirements and specifications
Clear statement of requirements Changing requirements and specifications
Proper planning Lack of executive support
Realistic expectations Technological incompetence
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In Summary, the IS Function…
• Is a major functional area of business.• Is an important contributor to operational
efficiency, employee productivity and morale, and customer service & satisfaction.
• Is a major source of information and support for decision making.
• Provides a strategic advantage in developing competitive products & services.
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Types of Information Systems
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Types of Information Systems
• Operations Support Systems– Transaction processing systems
• Batch – transaction data accumulate over time, processed periodically.
• Real-time – data processed immediately after a transaction occurs.
– Process Control Systems – monitor & control physical processes.
– Enterprise Collaboration Systems
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Types of Information Systems (continued)
• Management Support Systems
– Management Information Systems – pre-specified reports & displays to support decision-making.
– Decision Support Systems – provide interactive adhoc support.
– Executive Information Systems – critical information tailored to the information needs of executives.
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Types of Information Systems
• Other Classifications– Expert systems – expert advice– Knowledge management systems – support the
creation, organization, & dissemination of business knowledge
– Functional business systems – support the basic business functions
– Strategic information systems – strategic advantage
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Management Information systems
• Management information system (MIS): an organized collection of people, procedures, software, databases, and devices that provides routine information to managers and decision makers
• Primary focus of an MIS is operational efficiency
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Management Information systems
• Is a integrated user-machine system for providing information to support the operations, management, analysis and decision-making functions in an organization.
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Management Information Systems (continued)
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IS and MIS
When Information Systems are designed to provide accurate, timely and relevant information needed for effective decision making by managers, they are called Management Information System.
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Objective of MIS
• Deliver the right information information to the right people, at the right time, with the right form.
• MIS should improve the workers’ productivity.• Who has what information about whom and
when, where, and how will all be decided in the process of building an information system.
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Characteristics of MIS• Comprehensive• Integrated• Coordinated• Transformation of data into information• Relevant information • Conformation with managers’ styles and
characteristics• Selective sharing of data• Feedback- Cost/benefit, supply of relevant and
timely information and systemic failure
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Misconceptions
• MIS is a computerized information system• More data lead to effective decision making• Managers know their all information needs• Managers do not have to understand how MIS
works
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Need for MIS
• Decision making• Strategic planning• Management control• Operational planning and control• Provide managers with information• Regular, routine operations• Control, organize and plan better
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Decision Support Systems
• Decision support system (DSS): an organized collection of people, procedures, software, databases, and devices used to support problem-specific decision making
• Focus of a DSS is on decision-making effectiveness
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Specialized Business Information Systems
• Knowledge management systems (KMSs): an organized collection of people, procedures, software, databases, and devices to create, store, share, and use the organization’s knowledge and experience
• Artificial intelligence (AI): field in which the computer system takes on the characteristics of human intelligence
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Information Management vs. Knowledge Management
• Information management can be described as “delivering the right information to the right people at the right time with the right form.”
• Knowledge management can be illustrated as “getting the right people to have the right conversation at the right time.”
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Expert Systems
• Give the computer the ability to make suggestions and act like an expert in a particular field
• Allow organizations to capture and use the wisdom of experts and specialists
• The knowledge base contains the collection of data, rules, procedures, and relationships that must be followed to achieve value or the proper outcome
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Trends In Information system
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Expanding Roles of Information Systems
1950s-1960s: Data Processing– electronic data processing systems
Purpose: transaction processing, record keeping, traditional accounting
1960s-1970s: Management reporting– Management Information Systems
Purpose:mgt. reports for pre-specified information to support decision making
1970s-1980s: Decision Support– Decision Support Systems
Purpose: Interactive ad hoc support of the managerial decision processImproving and customising decision making
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Expanding Roles of Information Systems (cont)
• 1980s-1990s: Strategic and End User Support– End User Computing Systems: direct productivity support– Executive Information Systems:Critical Information – Expert Systems: Knowledge based expert advise for end users– Strategic Information Systems: for competitive advantagePurpose; Promoting survival and prosperity of organisation
• 1990s – 2000s : Global internetworking– Internetworked information systems– for end-user, enterprise, and inter-organizational computing,
collaboration, including global operations and management on the internet and other interconnected enterprise and global networks.
O’Brien p 31
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INFORMATION SYSTEMS ( IS / MIS) INFORMATION SYSTEMS ( IS / MIS)
ORGANIZATIONSORGANIZATIONS TECHNOLOGYTECHNOLOGY
MANAGEMENTMANAGEMENT
INFORMATIONINFORMATION
SYSTEMSSYSTEMS
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FUNCTIONS OF AN INFORMATION SYSTEM FUNCTIONS OF AN INFORMATION SYSTEM (General Systems Model)(General Systems Model)
INPUT OUTPUTPROCESS
FEEDBACK
INFORMATION SYSTEMINFORMATION SYSTEM
ENVIRONMENTENVIRONMENT
Customers Suppliers Customers Suppliers
Regulatory Regulatory Stockholders CompetitorsStockholders CompetitorsAgenciesAgencies
ORGANIZATIONORGANIZATION
Dr. Chen, Information AgeDr. Chen, Information Age TM -TM -4242
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Information Systems in the Functional Areas of Business
• Finance and accounting• Sales and marketing• Manufacturing• Human resource management• Legal information systems
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Functional Perspectives of MIS
• Financial MIS– Will integrate information from multiple
sources– Functions
• Costing• P&L reporting• Auditing• Funds management
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Functional Perspectives of MIS
• Manufacturing– Design and Engineering– Master Production Scheduling– Inventory Control– Materials Planning– Manufacturing and Process Control– Quality Control
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Functional Perspectives of MIS
• Marketing– Market research
• Web-based market research
– Pricing
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Functional Perspectives of MIS
• Transportation and Logistics– Route and schedule optimization
• Human Resources• Accounting
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Information Systems in Industry
• Airline industry• Investment firms• Banks• Transportation industry• Publishing companies• Healthcare organizations• Retail companies• Power management and utility companies• Professional services
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Information systems in the Company
Marketing Production Finances Personel
sales production planning
budgetting human resources
marketing purchasing general ledger payroll
promotion distribution billing cost estimations
price setting engineering analytical bookkeeping
applications
new products operations financial operations
contracts
orders stock management
A/C payable training
quality control A/C receivable
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Global Challenges in Information Systems
• Cultural challenges• Language challenges• Time and distance challenges• Infrastructure challenges• Currency challenges• Product and service challenges• Technology transfer issues• State, regional, and national laws• Trade agreements
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Electronic Banking
• account status• exchange rates• economic information• bank transfers• order checks • reports• batch payments
Security via magnetic cards, password , control totals
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Hospital Information Systems• patient registration• laboratory management• radiology• medical files• pharmacy• stock management and purchasing• human resources and scheduling• billing and A/C receivable• book keeping• operation theater
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Other Applications• Transport
– just in time– routing– shipping
• Insurance
• Tourism
• Department stores