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Operator vs Null - What's the difference?

operator | null |

As nouns the difference between operator and null

is that operator is an operator, a service provider, an isp while null is zero, nil; the cardinal number before einn.

operator

Noun

(en noun)
  • One who operates.
  • *
  • , title=(The Celebrity), chapter=1 , passage=The stories did not seem to me to touch life. […] They left me with the impression of a well-delivered stereopticon lecture, with characters about as life-like as the shadows on the screen, and whisking on and off, at the mercy of the operator .}}
  • A telecommunications facilitator whose job is to establish temporary network connections.
  • (mathematics) A function or other mapping that carries variables defined on a domain into another variable or set of variables in a defined range.
  • Chinese whispers.
  • (informal) A person who is adept at making deals or getting results, especially one who uses questionable methods.
  • A member of a military Special Operations unit.
  • (computing) The administrator of a channel or network on IRC.
  • (linguistics) A kind of expression that enters into an a-bar movement dependency and is said to bind a variable.
  • In the sentence "What did Bill say he wants to buy?", "what" is an operator , binding a phonetically empty variable.

    Derived terms

    * * * * * * * * * * * *

    Anagrams

    * ----

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
  • (Francis Bacon)
  • 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.
  • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis
  • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
  • 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.
  • 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.
  • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
  • (Milton)

    See also

    * nil ----