HRM 3450 Lecture 15: HRM 3450 Tutorial 15 Notes
5 May 2018
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HRM 3450 Tutorial 15 Notes – Components of System
Introduction
• When analyzing a system, the components of the system may be treated as irreducible
or they may themselves be representable as systems.
• When considered in the context of a particular system, these components would be
viewed more accurately as subsystems.
• A business IT system, for example, might have marketing, manufacturing, purchasing,
inventory, finance, and accounting subsystems, among others.
• Even these components might be expanded.
• The marketing subsystem might be further broken down into sales, development, and
advertising components, as one possibility.
• The level of detail to be considered depends on the context in which the system is being
considered, discussed, evaluated, or used.
• The division of a system or subsystem into its components and linkages is called
decomposition.
• Decomposition is inherently hierarchical.
• The ability to decompose a system hierarchically into subsequent sets of components
and subsystems is an important property of systems.
• The fundamental properties and the patterns of relationships, connections, constraints,
and linkages among the components and between the system and its environment are
known collectively as the architecture of the system.
• Some people choose to differentiate the architecture of a system from the organization
of a system.
• The assumption is that the architecture is fundamental to the meaning and value of the
system whereas the organization is one of possibly many combinations of components
and linkages that meet the requirements of the architecture.
• The difference is subtle and often unimportant.
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