100 information system concepts

8/10/2019 100 Information System Concepts

1/29

Information Systems for

Managers

Prof. SudarshanIBS Gurgaon

1


2/29

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


3/29

What is a system?

Example Human Body, Computer System,

Business Enterprise An organizationSet of elements arranged orderly toachieve a similar goal.


4/29

Data & Information

DataInformationSystemInformation System


5/29

Organization: Elements

Technology

People

Process


6/29

Technology Element of an Organization

Technology

ICT

CBIS- H/W- S/W- Data- Procedure- People


7/29

What are the components of an IS?


8/29

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


9/29

SystemsClosed Systems

Open Systems


10/29

What is Information System?

Input data resources ->Information ->Product or Service KPI OutputDatabaseIS Resources

PeopleHardwareSoftwareDataNetworkInformation products


11/29

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


12/29

A schematic representation of an InformationSystem


13/29


14/29

System

Elements

Abstract

Physical

InteractiveBehavior

Open

Closed

Degree ofHuman

Intervention

Manual

Automated

WorkingOutput

Deterministic

Probabilistic


15/29


16/29

General Model For CBIS

Input Processing

DatabaseStorage

Output People Action

Feedback


17/29

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


18/29

CBIS for Functions

MarketingInventory AccountsProductionBankingCRMSCMHRM


19/29

CBIS for different levels

Strategic

Tactical

Operational


20/29

CBIS

OperationalSupport System

ManagementSupport System

Office Automation

System

TPSPCSERP

DSSESSMIS

E-DocumentE-MessagingE-Meetings


21/29

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


22/29

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).


23/29

What Is Business?

An organization thatprovides goods and

services to earnprofits

Profits:

The positivedifference betweenrevenues and

expenses


24/29


25/29

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 - *


26/29

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


27/29

IS in Organization

Information System ClassificationExecutive Support Systems

Management Information SystemsDecision-Support SystemsKnowledge Management SystemsTransaction Processing SystemsOffice Automation Systems


28/29

Information Quality

System Quality Attributes [Trade Offs]


29/29

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.

100 information system concepts

Documents