Examlex
Networking involves using technology to develop an e-portfolio Web site.
Relay
An electrically operated device that mechanically switches electric circuits.
Final Control Element
A device that directly manipulates a process variable to achieve a desired change, such as a valve or a motor.
Proportional Controller
A type of feedback controller that generates an output signal by multiplying the error between a desired setpoint and a measured process variable by a constant.
On/Off Control
A basic form of control used in various applications where the output is simply turned on or off, without intermediate states.
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