Feedback vs Null - What's the difference?
feedback | null |
Critical assessment on information produced
(cybernetics, systems) The signal that is looped back to control a system within itself.
The high-pitched howling noise heard when there's a loop between a microphone and a speaker.
(music) To generate the high-frequency sound by allowing a speaker to cause vibration of the sound generator of a musical instrument connected by an amplifier to the speaker.
To provide informational feedback to.
To convey by means of specialized communications channel.
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
As nouns the difference between feedback and null
is that feedback is critical assessment on information produced while null is zero, nil; the cardinal number before einn.As a verb feedback
is (music) to generate the high-frequency sound by allowing a speaker to cause vibration of the sound generator of a musical instrument connected by an amplifier to the speaker.feedback
English
(wikipedia feedback)Noun
(-)- After you hand in your essays, I will give both grades and feedback .
Usage notes
* Adjectives often used with "feedback": positive, negative, delayed, linear, nonlinear, etc.Synonyms
* (noise) Larsen effect * (noise) howlback * (noise) howlroundDerived terms
* biofeedback * feedbacker * feedback loop * feedback control * howlback * negative feedback * positive feedbackCoordinate terms
* feedforward * bufferingDescendants
* Spanish: (calque)Verb
(en verb)- The show ended with a riot of feedbacking guitars.
- His employees feedbacked him a lot more than he wanted.
- Customers feedbacked their complaints and some praise.
Usage notes
* Some are likely to prefer "feed back" and its inflected forms "feeds back", "feeding back", or "fed back". ----null
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.