Systems

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System

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- any set of interrelated and interdependent components which can be seen as satisfying a purpose that is, performing a function, by processing input(s) into output(s) while attaining or attempting to attain one or more goals or objectives

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System

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- an assemblage or combination of functionality related to elements or parts forming a unitary whole

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Components

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- are the parts of a system

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Attributes

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- are the properties of the components and the system as a whole

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Function

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- the purposeful action performed by a system

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Structural Components

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- these are the static parts

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Operating Components

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- are the parts that perform the processing

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Flow Components

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- are the materials, energy, or information being altered

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Attributes

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- determine the components contribution to the system's function

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Natural Systems

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- came into being by natural processes

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Human Modified Systems

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- are those in which human beings have intervened thru the components, attributes, and relationships

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Human Modified System

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- a natural system into which a human made system has been integrated into a subsystem

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Natural System

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- exhibits a high degree of order and equilibrium such as observed in the water cycle, food chain

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Human made system

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- cause significant impact on natural systems

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Physical Systems

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- manifest themselves in physical form

- composed of real components

- consumes physical space

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Conceptual Systems

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- symbols represent the attributes of the components

- involve organization of ideas

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Static System

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- one whose states do not change bec it has strictural components but no operating of flow components

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Dynamic System

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- exhibits behavior bec it combines structural components with operating and/or flow components

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Closed System

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- one that does not interact significantly with its environment

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Closed System

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- usually exhibit the characteristics of equilibrium resulting from the internal rigidity that maintain the system inspite of influences from the environment

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Open System

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- allows information, energy, and matter to cross its boundaries

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Entropy

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- degree of disorganization in a system

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State the problem

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- the most important system engineering task

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State the problem

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- it entails identifying costumers, understanding customer needs, establishing the need for change, discovering requirements, and defining system functions

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Integrate/Integration

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- designing interfaces and bringing system elements together so they work as a whole

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Launch the system

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- means running the system and producing outputs-making the system do what it was intended to do

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System Problem

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- arises when the performance of a system does not meet the needs, wants, or aspirations of one or more people or groups

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Systems Analysis

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- study of the business problem domain for the purpose of recommending improvements and specifying the business requirements for the solution

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Systems Design

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- the specification or construction of technical, computer-based solution for the business requirements identified who understand the technology

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System Analyst

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- bridges the communication between the user and those who understand technology

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Systems Analyst

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- facilitates the development of information system and computer applications

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Systems Analyst

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- helps the business by solving its problems using systems concepts and information technology

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Information Technology

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- is a contemporary term that describes the combination of computer technology with telecommunications technology

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System Development Life Cycle

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- uses some variation of a system problem solving approach

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Systems Analyst as a Business Analyst

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- specializes in business problem analysis and technology-independent requirements analysis

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Systems Analyst as an Application Analyst

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- specializes in application design and technology-dependent aspects of development

(Application Architect)