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Social-technical System (STS stack (Society, Business process, Application…
Social-technical System
STS stack
Society
Business process
Application system
Organizations
Communications and
data management
Operating system
Equipment
Organizational affects
Process changes
Job changes
Organizational changes
Characteristic
Emergent properties: Properties
of the system as a whole
Non-functional
Reliability
Security
Repairability
Usability
Volume
Functional
Non-deterministic
Human elements
System changes
Complex relationships
with organisational objectives
Systems engineering
Difficulties: Inter-disciplinary
Communication difficulties
Differing assumptions
Professional boundaries
Stages
Procurement
.
Scope of the system
System budgets and timescales
High-level system requirements
Development
Partition requirements
Identify sub-systems
Assign requirements to sub-systems
Specify sub-system functionality
Define sub-system interfaces
Operation