INCOSE SYSTEMS ENGINEERING HANDBOOK
ISO/IEC/IEEE 15288 - Answers :International standard that provides generic top-level
process descriptions and requirements
Definition of a System - Answers :ISO/IEC/IEEE 1528- man-made, created and utilized
to provide products or services in defined environments for the benefit of the users and
other stakeholders
INCOSE- an integrated set of elements, subsystems, or assemblies that accomplish a
defined objective. These elements include products (hardware, software, firmware),
process, people, information, techniques, facilities, services and other support
elements.
Definition of Operating Environment - Answers :Collection of elements that specifically
do not belong to the system but interact with the system.
Includes users (or operators) of the system
Definition of System Boundary - Answers :"line of demarcation" between the system
itself and its greater context (to include the operating environment)
Defines what belongs to the system and what does not
Definition of Functionality - Answers :Typically expressed in terms of the interactions of
the systems with its operating environment, especially the users
When a system is considered as an integrated combination of interacting elements, the
functionality of the system drives not just the interactions of the individual elements with
the environmental elements but also from how these interactions are influenced by the
organization (interrelations) of the system elements.
Definition of System Architecture - Answers :The fundamental concepts or properties of
a system in its environment embodied in its elements, relationships, and in the
principles of its design and evolution
Engineering - Answers :The practice of creating and sustaining services, systems,
devices, machines, structures, processes, and products to improve the quality of life
System Element - Answers :Attribute of a system. An observable characteristic or
property of the system
Variable - Answers :A symbol or name that identifies an attribute. Every variable has a
domain, which could be but is not necessarily measurable
