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8/10/2019 100 Information System Concepts
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Information Systems for
Managers
Prof. SudarshanIBS Gurgaon
1
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Information System Concepts
Understanding Data and Information,System Concepts,
Open System, Closed System,Business as a System,What is Information System,Classification of IS in organization, Attributes of Information Quality
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What is a system?
Example Human Body, Computer System,
Business Enterprise An organizationSet of elements arranged orderly toachieve a similar goal.
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Data & Information
DataInformationSystemInformation System
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Organization: Elements
Technology
People
Process
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Technology Element of an Organization
Technology
ICT
CBIS- H/W- S/W- Data- Procedure- People
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What are the components of an IS?
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System
Group of Interrelated components working3 Basic components in a dynamic system are - Input, Processing &
Output Data.2 Additional components to have a cybernetic or self regulatory
system are Feedback and Control Data.
Within a clearly defined boundaryTowards a common goal or objective.
Biological System Human bodyTechnological System Thermal Power PlantSocio Economic System Business organization
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SystemsClosed Systems
Open Systems
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What is Information System?
Input data resources ->Information ->Product or Service KPI OutputDatabaseIS Resources
PeopleHardwareSoftwareDataNetworkInformation products
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Why to study InformationSystem?
Objective: Control and PerformanceImprovementMore important is to survive in competition.IS Functions
Business functional areaContributor to operational efficiencyDecision making supportStrategic advantage for an organization in globalmarketNetworked business enterprise
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A schematic representation of an InformationSystem
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System
Elements
Abstract
Physical
InteractiveBehavior
Open
Closed
Degree ofHuman
Intervention
Manual
Automated
WorkingOutput
Deterministic
Probabilistic
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General Model For CBIS
Input Processing
DatabaseStorage
Output People Action
Feedback
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Other elements
Information: Meaningful data and usefulcontext
Knowledge: Right people having all theinformation at right time.
People: In businessOperational: Supervisory LevelDecision Making: Tactical LevelTop management: Strategic Level
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CBIS for Functions
MarketingInventory AccountsProductionBankingCRMSCMHRM
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CBIS for different levels
Strategic
Tactical
Operational
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CBIS
OperationalSupport System
ManagementSupport System
Office Automation
System
TPSPCSERP
DSSESSMIS
E-DocumentE-MessagingE-Meetings
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InformationSystem
Operation Support System Management SupportSystem
SpecializedProcess System
ExecutiveInformation
System
DecisionSupport System
ManagementInformation
System
SpecializedProcess System
EnterpriseCollaboration
System
Process ControlSystem
Transactionprocessing
System
ExpertSystem
KnowledgeManagement
System
StrategicInformation
System
FunctionalBusinessSystem
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Business as a System
A business is an organizational system where -economic resources (input) are transformedby
-various business processes (processing)into
-goods or services (output).
Information system provides information(Feedback) on the operations of the businesssystem to management for direction andmaintenance of the business system (Control).
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What Is Business?
An organization thatprovides goods and
services to earnprofits
Profits:
The positivedifference betweenrevenues and
expenses
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Circular Flow in Market Economy
OUTPUT MARKETS
GoodsServic
es
INPUT MARKETS
LaborCapital
EntrepreneursPhysical Resources
Information
Resources
HOUSEHOLDS
Demand productsin output markets Supply resourcesin input markets
FIRMS
Supply products inoutput markets Demand resourcesin input markets
DEMAND
DEMAND SUPPLY
SUPPLY
Co ri ht 2003 Prentice Hall 1 - *
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Looking to the Future
Three Major Forces: The information revolution will continue to boostproductivity
Technological breakthroughs will create newindustries
Increasing globalization will create largermarkets and tougher competition
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IS in Organization
Information System ClassificationExecutive Support Systems
Management Information SystemsDecision-Support SystemsKnowledge Management SystemsTransaction Processing SystemsOffice Automation Systems
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Information Quality
System Quality Attributes [Trade Offs]
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Cases
Aviall Inc.: From failure to success with Information Technology[Refer: MIS by James A. O. Brian and George M Marakas]
Sew what? Inc. Information System in Business
Ans. 1- Helps in Efficiency, Effectiveness and Competitiveness.
Ans. 2- Classify the recommendations for CBIS Infrastructureon the basis of types for different level and functional areas.
Ans. 3 Refer another case Pg. 66 of Leonard Jessup UsingIS for Effectiveness, Efficiency and competitive advantage.