1. IS Theories & Practices
CSUN Information Systems
IS Theories & Practices
The Context of Information Systems
IS 655: Intro

2. Decision-Making in an Organization

3. Decision-Making Levels of an Organization
Executive Level
Long-term decisions (Strategies)
Unstructured decisions (Competitions)
Managerial Level
Decisions covering weeks and months (Tactics)
Semi-structured decisions (Effectiveness)
Operational Level
Day-to-day decisions (Operations)
Structured decisions (Efficiency)

4. Information Systems in Organization
Information Systems in Organization
EXECUTIVE INFORMATION SYSTEMS
STRATEGIC
MANAGEMENT INFORMATION SYSTEMS
TACTICAL
TRANSACTION PROCESSING SYSTEMS
OPERATIONAL
ACCOUNT I N G
F I NANCE
HUMAN RE S
PRODUCT
ION
SALES
OTHERS
VALUE CHAIN

5. The Value Chain VALUE FIRM INFRASTRUCTURE HUMAN RESOURCE MANAGEMENT
The Value Chain
VALUE
FIRM INFRASTRUCTURE
HUMAN RESOURCE MANAGEMENT
TECHNOLOGY DEVELOPMENT
PROCUREMENT
INBOUND
LOGISTICS
OPERATIONS
OUTBOUND
LOGISTIC
MARKETING
& SALES
LOGISTIC
SERVICE
COST
MARGIN

6. Value-Added Activities
Customer-Value-Added Activity (maximize)
a business process that a customer is willing to pay for
Business-Value-Added Activity (minimize)
a business process that is essential to managing an organization
Non-Value-Added Activity (eliminate)
customer will not pay for; business value will not be increased
Goals of a business system: effective, efficient, competitive.

7. BUSINESS CONTEXT BUSINESS CONTEXT
BUSINESS DRIVERS
BPR, CRM,
SCM, e-Biz, etc.
Business Data
BUSINESS CONTEXT
Business
Users
BUSINESS CONTEXT
KNOWLEDGE
Database
KNOWLEDGE
Database
PROCESS
Information Processing
Business Rules, Procedures
PROCESS
Information Processing
Business Rules, Procedures
INTERFACE
Input, Output
Location, Security
INTERFACE
Input, Output
Location, Security
Hardware
Hardware
Software
Software
Networking
Networking
ERP, Object, Mobile,
Collaborative, etc.
TECHNOLOGY DRIVERS