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Postech Strategic Management of Information Systems LAB Information & Management
Postech Strategic Management of Information Systems LAB
Information & Management
Postech Strategic Management of Information Systems LAB
What is Information?(1/2)
Definition of Data
Raw facts such as number, name, etc.
Definition of Information
Facts that are organized and arranged in a meaningful
manner.
Data vs. Information (statistical analysis)
Data InformationThe transformationprocess
Postech Strategic Management of Information Systems LAB
What is Information?(2/2)
Characteristics of information AccuracyAccuracy
TimelinessTimeliness
RelevanceRelevance
Completeness
Reliability
Simplicity
Verifiability
Flexibility
Economy
Postech Strategic Management of Information Systems LAB
The Information Systems(1/4)
What is an Information System?
A set of interrelated components which are to collect,
process, store, and distribute information to support
decision making and control in an organization
Postech Strategic Management of Information Systems LAB
Why do we study Information Systems?
Collect, distribute, analyze DataCollect, distribute, analyze Data
General role of IS
Get informationGet information
Remove uncertaintyRemove uncertainty
Make a good decisionMake a good decision
Store knowledgeStore knowledge
Why?
Why?
Why?
Why?
Postech Strategic Management of Information Systems LAB
The Information System(2/4)
Benefits and Uses of Information Systems
- Added value to products(goods & services)
- Better safety & service - Fewer errors
- Higher-quality products - Greater accuracy
- Improved health care & communications
- Increased efficiency & productivity
- Reduced labor requirements & costs
- Superior financial decision making, control over operations, and
managerial decision making
Postech Strategic Management of Information Systems LAB
The Information System(3/4)
The Components of Information System
Hardware
Software
Database
People
Procedure
Telecommunication
Postech Strategic Management of Information Systems LAB
The Information System(4/4)
A Business Perspective on Information Systems
InformationSystems
Organizations Technology
Management
Postech Strategic Management of Information Systems LAB
Technical & Behavioral Approaches to MIS
Technical Approach
MIS
ComputerScience
OperationsResearch
Sociology
PoliticalScience
Psychology
ManagementScience
BehavioralApproaches
Postech Strategic Management of Information Systems LAB
Management Hierarchy Level(1/2)
Extremetop
Top
Middle
low
Extreme low
Types of
management
Political
strategic
Strategic
Tactical
Operational
Clerical
Problem types
to be dealt with
Unstructured
Semi –
Structured
and
Structured
Structured
Management Triangle
Postech Strategic Management of Information Systems LAB
Management Hierarchy Level(2/2)
Management
hierarchy level
Use of data&
Information
Quality
of Data
Types
of ISRoles of IS
Strategic
Importance
Extreme topPolitical decision &
strategic
High-degree
decisional aidsEIS/ESS
Controller
Strategic driver
Very
important
(Strong SIS)
Little
importance
(Weak SIS)
Top
Mathematical
analysis of
information
Decisional aids DSS Controller
MiddleStatistical
Analysis of dataInformation
IPS
MIS(s)Function
LowRetrieval & use for
Operational purpose
Raw data
TPS
(EDPS)
Helper to
Each function
Extreme low Data processing OAS
Assistant to
helper to each
function
Postech Strategic Management of Information Systems LAB
Problem Types
Structured Problem
Unstructured Problem
Semi-structured Problem
InputProblem
Structure
Definite
Output
InputProblem
Structure
Fuzzy
Output
InputProblem
Structure
User dependent
Output
User
User Interaction
