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Definition of "Feedback" |
The term is generally applied to electronic amplifiers to which a portion of the output energy is used to reduce or increase the amplification, by reacting on an earlier stage according to the relative phase of the return. / The return of a portion of the output, or processed portion of the output, of a (usually active) device to the input. The feedback may be in phase with the input signal [positive feedback], or out of phase with the input signal [negative feedback]. / Feedback is a process in which information about the past or the present influences the same phenomenon in the present or future. As part of a chain of cause-and-effect that forms a circuit or loop, the event is said to "feed back" into itself. / Feedback is the return of information about a system or process that may effect a change in the process, for example, the regulation or optimization of performance.Feedback occurs when a portion of the output of a system is "fed back" to the input. As part of a chain of cause-and-effect that forms a circuit or loop, the system is said to "feed back" into itself. / The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite to link several billion devices worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic, wireless, and optical networking technologies. / (1) signal or data that is sent back to a commanding unit from a control process output for use as input in subsequent operations. In a closed-loop system, it is the part of the system that brings back information on the process condition under control. |
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