ITEC 1000 Chapter Notes - Chapter 1-5: Standards Organization, Light Pen, Transaction Processing System
11 Apr 2016
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Document Summary
Network interface must conform to standard agreements known as protocols. A system is a set of components that interact with one another and serve a common purpose or goal. o o. Abstract system a product of a human mind (social, theological, cultural systems are abstract systems) Physical system has material nature (material basis rather ideas and theoretical notions) A component is either an irreducible part or an aggregate of parts, also called a subsystem. A system has a boundary, within which all its components are contained and which establishes the limits of a system, separating it from other systems. Input is anything entering the system from the environment. Output is anything leaving the system crossing the boundary to the environment. Positive feedback reinforces the operation of a system by causing it to continue its performance and activities without change. System"s method and functions is corrective feedback that helps maintain the system o.
