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PLTW - CIM Sem.1 Review

Terms in this set (22)

Automation
The use of technology to ease human labor or extend the mental or physical capabilities of humans.
Closed Loop
A system that uses feedback from the output to control the input.
Control System
A system in which one or more outputs are forced to change in a desired manner as time progresses.
Decision Block
The diamond-shaped block used for YES/NO questions. These blocks have two outputs: 1 (for yes) and 2 (for no).
Flow Chart
A graphical representation of the progress of a system for the definition, analysis, or solution of a data-processing or manufacturing problem.
Flow Lines
The connecting line or arrow between symbols on a flow chart.
Input/Output Block
A function that makes information available for processing or that records processed information.
Interface
The connection between the computer and the control system.
Iterative
Process flow that may repeat or skip steps until some condition is satisfied.
Open Loop
A control system that has no means for comparing the output with input for control purposes. Often requires human intervention.
Potentiometer
A variable resistor.
Process Block
Part of a flowchart that tells the program what action to take.
Schematic
A diagram that uses special symbols in place of actual pictures. In a wiring schematic, for example, a squiggly line is used to represent a resistor.
Sequential
Occurring in regular succession without gaps.
Simulation
A representation of a situation or problem with a similar but simpler model or a more easily manipulated model in order to determine experimental results.
Fixed Costs
A periodic cost that remains (more or less) unchanged irrespective of the output level or sales revenue of a firm.
Non-Value Added (NVA)
Typically generates a zero or negative return on the investment of resources and usually can be eliminated without impairing a process.
Overhead
The general, fixed cost of running a business, such as rent, lighting, and heating expenses, which cannot be charged or attributed to a specific product or part of the work operation.
Profit
The monetary surplus left to a producer or employer after deducting wages, rent, cost of raw materials, etc.
Raw Materials
Basic substance in its natural, modified, or semi-processed state, used as an input to a production process for subsequent modification or transformation into a finished good.
Value-Added
The difference between the price at which goods are sold and the cost of the materials used to make them.
Variable Cost
Periodic cost that varies, more or less, in step with the output or the sales revenue of a firm. Such costs include raw material, energy usage, labor (wages), distribution costs, etc.
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