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12: Test Your Knowledge
Name one major desirable output for each of the classified technology systems.
Give one example of an undesirable output.
Products or services designed and produced with specific goals in mind are _____. Outputs that were not anticipated when the system was designed are _____.
The production of steel is an example of a(n) _____ output.
A. immediate
B. intended
C. desirable
D. All of the above.
Feedback can be defined as using information from the _____ of a system to control, or regulate, the system or its inputs.
What is the major difference between open-loop control systems and closed-loop control systems?
List the three major types of devices found in most internal-control systems.
_____ sensors are a type of monitoring device that can be used to determine the level of light or changes in the intensity of light.
A. Mechanical
B. Thermal
C. Optical
D. Electrical
True or False?
Comparisons made by data-comparing devices can be analytical or judgmental.
A. True
B. False
_____ can speed up motors, close valves, increase the volume of burning gases, or perform a host of other actions.
_____ controllers are a type of adjusting device using cams, levers, and other types of linkages to adjust machines.
A. Electromechanical
B. Mechanical
C. Electrical
D. Fluidic
Give one example of an automatic control system.
True or False?
Public opinion is an external control factor.
A. True
B. False
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