25-08-2017, 09:32 PM
Computer-Based Information System
Introduction to the Computer-Ba.ppt (Size: 629.5 KB / Downloads: 25)
Factors Stimulating Interest in Information Management
Increasing complexity of business activity
International economy
Worldwide competition
Increasing complexity of technology
Shrinking time frames
Social constraints
Improved computer capabilities
Size
Speed
What Managers do -- Mintzberg’s Roles
Interpersonal roles
Figurehead
Leader
Liaison
Informational roles
Monitor
Disseminator
Spokesperson
Open versus Closed Systems
Open system
Connected to its environment by means of resource flows
Closed system
Not connected to its environment
A Systems View
Business operations are embedded within a larger environmental setting
Reduces complexity
Requires good objectives
Emphasizes working together
Acknowledges interconnections
Values feedback
Evolution of the CBIS
Data Processing (DP)
Management Information Systems (MIS) 1964
IBM promoted the concept as a means of selling disk files and terminals
Decision Support Systems (DSS) 1971
Text book’s distinction:
MIS: Organizational/group - general
DSS: Individual - specific
Office Automation (OA) 1964
Artificial Intelligence (AI)/ Expert Systems (ES) - 1990s
Heavy investment by businesses