Transcript 116 intro

What is MIS?
Merle P. Martin
CSU Sacramento
Agenda
Definition
 Complexity Spectrum
 MIS Continuum
 Development Sequence
 Areas and characteristics

Definition
Management
Information
Systems

Management
 Focus
on decision making
 Blunting the technical edge
 People-oriented
 Output-oriented
Definition

Information
 Processed
data
 Computer or otherwise

Systems
 Not
just hardware / software
 People and procedures
The IT System
Hardware/SoftTECHNOLOGY
MANAGEMENT
ware
COMPUTER
USER
Interface
Change
Management
Decision
Support
Application
Programming
Connectivity
IT Operations
Management
Database
Systems
Development
Contrast with
Computer Science
Future orientation
 Adaptive to change
 Satisficing, not optimizing
 Business (profit) orientation
 Balance between
 technology
 people

Complexity Spectrum
Complexity
Minor
Modifications
Major
System System
Modifi- Enhance- Replacecations
ments
ments
Maintenance
(85%)
Development
(15%)
Systems Analysis
(Options to Choose)
MIS Continuum

Data Flow Diagram
 Processes (programs)
 Data Stores (files)
 Data Flows (forms / messages)
 External Entities (customers)
Strategic
computing
literacy
MIS Continuum
Data
store
Data
Data
External
Process flow
flow
Entity
Decis.
Models
Applic.
Prog.
Systems Design
Database
Data
Com.
Systems Analysis (Triage)
Decide
Minor
Repair
Reengineering
Replacement
System
System Design
Systems Operation (Maintenance)
Areas




Systems design
Data base
Data
communications
Application
programming
Characteristics
Primary tools
 Team skills
 Communication
skills
 Customer contact
 Problem solving
 Interface with
computer science

Systems Analysis (Triage)
Area
Char.
Prim. tools
Team skills
Com. skills
Cust. contact
Prob. solving
Interface
comp. sci.
Systems
Design
DFD
High
High
High
Med.
Low
Data Data Applic.
Base Com. Prog.
ERD
Med.
Med.
Med.
Med.
Med.
???
Med.
Low
Med.
Med.
High
Flow
charts
High
Low
Med.
High
Low
Customer Focus
Users / end-users
 Participation in design
 Decisions on technology
alternatives
 Feedback on satisfaction
 Future File

Concepts to Remember
MIS Definition
 Complexity spectrum
 MIS Continuum
 Development Sequence
 Areas and Characteristics
It’s not about hardware;
it’s not about software;
it’s about people!
