information systems 2011
TRANSCRIPT
-
8/3/2019 Information Systems 2011
1/28
INFORMATION
SYSTEMS
-
8/3/2019 Information Systems 2011
2/28
Outline
Information System Definition
Management Information System (MIS)
MIS Concept MIS Significance
MIS Structure
Types of Information System Functional Information System
Support Information System
-
8/3/2019 Information Systems 2011
3/28
Information System - Definition
Information System is a combination of
people, hardware, software, communicationdevices, network and data resources thatprocesses (can be storing, retrieving,transforming information) data and
information for a specific purpose.
-
8/3/2019 Information Systems 2011
4/28
Information System
-
8/3/2019 Information Systems 2011
5/28
Management Information System
Management:Planning
OrganizingControllingLeadingCommunicating
Information:
Meaningful / Processed DataSystem:
Set of elements arranged in an orderly manner toaccomplish an objective.
Management Information System:An integrated user-machine system for providinginformation to support the operations, managementanalysis, and decision making functions in anorganization.
-
8/3/2019 Information Systems 2011
6/28
MIS as an evolving concept Process large amount of data and present it in the form
of reports at regular intervals.
System must be individual oriented
Information must be presented in such a form andformat that it creates an impact on its user.
Reporting and analysis must follow some norms
Should be adaptive to the changing environment.
Should work on a database
System must be decentralised
User of MIS must be independent of computer
professionals
MIS must be a decision making system
-
8/3/2019 Information Systems 2011
7/28
Present Concept of MIS
A system which handles the databases,provides computing facilities to the end userand gives a variety of decision making tools tothe user of the system
-
8/3/2019 Information Systems 2011
8/28
MIS StructureConceptual View
-
8/3/2019 Information Systems 2011
9/28
MIS StructurePhysical View
-
8/3/2019 Information Systems 2011
10/28
Academic Disciplines in MISTechnical
Approaches
BehavioralApproaches
ManagementScience
OperationsResearch
Sociology
Economics
ComputerScience
Psychology
-
8/3/2019 Information Systems 2011
11/28
Role of MIS in an organisation
Collection of Data
Processing of Data
Dissemination of Information
Fulfill the information needs of anindividual, a group of individuals,managers and top management
-
8/3/2019 Information Systems 2011
12/28
Role of MIS
Systems used for role fulfillment
Query Systems
Analysis Systems Modeling Systems
Decision Support System
-
8/3/2019 Information Systems 2011
13/28
Role of MIS
MIS helps in
Strategic Planning
Management Control
Operational Control
Transaction Processing
Top
Middle
Lower
-
8/3/2019 Information Systems 2011
14/28
Impact of MIS on organisation
Management of different departmentsbecomes more efficient
Better understanding of the businessitself
Systemisation of business operations
Pull the entire organisation towards thecorporate goals and objectives
Managerial Efficiency Drudgery of clerical work transferred to
the computer system
-
8/3/2019 Information Systems 2011
15/28
Types of Information Systems
-
8/3/2019 Information Systems 2011
16/28
Major Types of Systems inOrganisation
Executive Support Systems (ESS)
Decision Support Systems (DSS)
Management Information Systems (MIS)
Transaction Processing Systems (TPS)
-
8/3/2019 Information Systems 2011
17/28
Transaction ProcessingSystems (TPS):
Management level
Inputs: Daily Transactions (raw data)
Processing: Simple Programs
Outputs: Database / Summary Reports
Users: Lower Level Managers
Example: Payroll
-
8/3/2019 Information Systems 2011
18/28
Transaction Processing Systems(TPS):
Basic business systems that servethe operational level
A computerized system that
performs and records the dailyroutine transactions necessary tothe conduct of the business
-
8/3/2019 Information Systems 2011
19/28
Management InformationSystem (MIS):
Management level
Inputs: High volume data
Processing: Simple models
Outputs: Summary reports
Users: Middle managers
Example: Annual budgeting
-
8/3/2019 Information Systems 2011
20/28
Management InformationSystem
Structured and semi-structureddecisions
Report control oriented
Past and present data
Internal orientation
Lengthy design process
-
8/3/2019 Information Systems 2011
21/28
Decision Support System (DSS):
Management level
Inputs: Low volume data
Processing: Interactive
Outputs: Decision analysis
Users: Professionals, staff
Example: Contract cost analysis
-
8/3/2019 Information Systems 2011
22/28
22
Executive Support System (ESS):
Strategic level
Inputs: Aggregate data
Processing: Interactive
Outputs: Projections
Users: Senior managers
Example: 5-year operating plan
-
8/3/2019 Information Systems 2011
23/28
23
Executive Support System
Top level management
Designed to the individual
Ties CEO to all levels
Very expensive to keep up
Extensive support staff
-
8/3/2019 Information Systems 2011
24/28
Subsystems of MIS
MIS is a federation of subsystems.
Subsystems of MIS can be definedaccording to the organisationalfunctions which they support andaccording to managerial activities forwhich they are used.
-
8/3/2019 Information Systems 2011
25/28
Organisational Function Subsystems
Marketing
Manufacturing
Logistics
Personnel
Finance and Accounting
Information Processing
Top Management
-
8/3/2019 Information Systems 2011
26/28
Functional Subsystems
Database
Database Management System
Mar
keting
Prod
uction
Log
istics
Personnel
Financean
dAccounting
Informatio
nProcessing
TopMa
nagement
-
8/3/2019 Information Systems 2011
27/28
Activities Subsystems
Transaction Processing
Ex: Processing of orders, shipments and receipts
Operational Control
Ex: Scheduling of activities and performance reports
Management Control
Ex: Formulation of budgets and resource allocation Strategic Planning
Ex: Formulation of objectives and strategic plans
-
8/3/2019 Information Systems 2011
28/28
Relation of activities to functional subsystems
Database
Database Management System
Strategic Planning
Management Control
Operational Control
Transaction Processing
Marketing
Production
Logistics
Pers
onnel
Fina
nceand
Accounting
Information
Proc
essing
TopMan
agement