Feedback - définition. Qu'est-ce que Feedback
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Qu'est-ce (qui) est Feedback - définition

PROCESS IN WHICH INFORMATION ABOUT THE PAST OR THE PRESENT INFLUENCES THE SAME PHENOMENON IN THE PRESENT OR FUTURE; IT OCCURS WHEN OUTPUTS OF A SYSTEM ARE ROUTED BACK AS INPUTS AS PART OF A CHAIN OF CAUSE-AND-EFFECT THAT FORMS A CIRCUIT OR LOOP
Feedback loop; Feedback loops; Feed-back; Sensory feedback; Feedback mechanism; Electronic feedback loop; Feedback circuit; Feedback Inhibition; Fb control; Feedback diagram; Feed back control; Feedback control; Reflexive feedback; Feedback Control; Feedback effect; Electronic feedback loops; Feedback signal
  • A feedback loop where all outputs of a process are available as causal inputs to that process
  • right
  • D-type flip flops]]
  • alt=
  • op-amp relaxation oscillator]]
  • An example of a negative feedback loop with goals
  • A positive feedback loop example
  • Maintaining a desired system performance despite disturbance using negative feedback to reduce system error

feedback         
¦ noun
1. information given in response to a product, a person's performance of a task, etc., used as a basis for improvement.
2. the modification or control of a process or system by its results or effects.
3. the return of a fraction of the output of an amplifier, microphone, or other device to the input, causing distortion or a whistling sound.
feedback         
<electronics> Part of a system output presented at its input. Feedback may be unintended. When used as a design feature, the output is usually transformed by passive components which attenuate it in some manner; the result is then presented at the system input. Feedback is positive or negative, depending on the sign with which a positive change in the original input reappears after transformation. Negative feedback was invented by Black to stabilise vacuum tube amplifiers. The behaviour becomes largely a function of the feedback transformation and only minimally a function of factors such as transistor gain which are imperfectly known. Positive feedback can lead to instability; it finds wide application in the construction of oscillators. Feedback can be used to control a system, as in {feedback control}. (1996-01-02)
feedback         
1.
If you get feedback on your work or progress, someone tells you how well or badly you are doing, and how you could improve. If you get good feedback you have worked or performed well.
Continue to ask for feedback on your work...
I was getting great feedback from my boss.
N-UNCOUNT: oft N prep
2.
Feedback is the unpleasant high-pitched sound produced by a piece of electrical equipment when part of the signal that comes out goes back into it.
N-UNCOUNT

Wikipédia

Feedback

Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop. The system can then be said to feed back into itself. The notion of cause-and-effect has to be handled carefully when applied to feedback systems:

Simple causal reasoning about a feedback system is difficult because the first system influences the second and second system influences the first, leading to a circular argument. This makes reasoning based upon cause and effect tricky, and it is necessary to analyze the system as a whole. As provided by Webster, feedback in business is the transmission of evaluative or corrective information about an action, event, or process to the original or controlling source.

Exemples du corpus de texte pour Feedback
1. MCCORMACK:'4; I‘ll check to see if there‘s any feedback –– feedback from the field on that.
2. The seller from Stevenage, Hertfordshire has a feedback score of 160 with a positive feedback rating of 100 per cent.
3. After getting feedback, make any necessary adjustments.
4. Her feedback rating is around 300, compared with 130 in March, and as Business Sense went to press she had retained a 100% positive feedback score.
5. Working from home, the feedback is one–way –– I can only get feedback from the reporters by talking to the line managers.