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IED 3.2

PLTW IED 3.2 Vocabulary Words and Terms to Know

QuestionAnswer
Black Box Model A graphic system’s illustration referred to as a Black Box because the internal components or process is deemed unknown, or mysterious.
Compound Machine A mechanism that consists of two or more simple machines.
Function The kind of action or activity proper to a person, thing, or institution; the purpose for which something is designed or exists; role.
Hypothesis 1. An assumption made on the basis of limited evidence as a starting point for further investigation. 2. A proposed explanation for an observation. Hypothesis is an educated guess which forms a basis for a test.
Input Something put into a system, such as resources, in order to achieve a result.
Mechanism An assembly of moving parts completing a complete functional motion.
Observation The act or instance of noticing or perceiving.
Output The results of the operation of any system.
Process 1. Human activities used to create, invent, design, transform, produce, control, maintain, and use products or systems; 2. A systematic sequence of actions that combines resources to produce an output.
Reverse Engineering Taking something apart and analyzing its workings in detail, usually with the intention to understand function, prepare documentation, electronic data, or construct a new or improved device or program, without actually copying from the original.
System A group of interacting, interrelated, or interdependent elements or parts that function together as a whole to accomplish a goal.
Created by: GoldenValley
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