Lesson 1.2 Key Terms (VEX)



Lesson 1.2 Key Terms (VEX?)TermDefinitionAutomationThe use of technology to ease human labor or extend the mental or physical capabilities of humans. CodeA set of computer instructions to perform a given operation or solve a given mentA line of text in a computer program that is ignored by the computer. Comments are used to explain programs to humans.Closed LoopA system that uses feedback from the input to control the output.Control SystemA system in which one or more outputs are forced to change in a desired manner as time progresses. Decision BlockThe diamond-shaped block used for YES/NO questions. These blocks have two outputs: 1 (for yes) and 2 (for no).DeclareThe process of letting a program know that you plan to use a variable, what you want to call it, and how big it is.Flow ChartA graphical representation of the progress of a system for the definition, analysis, or solution of a data-processing or manufacturing problem.Flow LinesThe connecting line or arrow between symbols on a flow chart.Input and Output BlockA function that makes information available for processing or that records processed information.InterfaceThe connection between the computer and the control system.IterativeProcess flow that may repeat or skip steps until some condition is satisfied.Open LoopA control system that has no means for comparing the output with input for control purposes. PotentiometerA variable resistor.Process BlockPart of a flowchart that tells the program what action to take.SchematicA 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.SequentialOccurring in regular succession without gaps.SimulationA representation of a situation or problem with a similar but simpler model or a more easily manipulated model in order to determine experimental results. ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download