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Discrete vs Null - What's the difference?

discrete | null |

As an adjective discrete

is .

As a noun null is

zero, nil; the cardinal number before einn.

discrete

English

Adjective

(en adjective)
  • Separate; distinct; individual; non-continuous.
  • That can be perceived individually and not as connected to, or part of something else.
  • (electrical engineering) Having separate electronic components, such as individual resistors and inductors — the opposite of integrated circuitry.
  • (audio engineering) Having separate and independent channels of audio, as opposed to multiplexed stereo or quadraphonic, or other multi-channel sound.
  • (topology) Having each singleton subset open: said of a topological space or a topology.
  • disjunctive; containing a disjunctive or discretive clause
  • "I resign my life, but not my honour" is a discrete proposition.

    Usage notes

    * Often confused with discreet.

    Derived terms

    * discrete variable * discreteness

    Antonyms

    * continuous * (electrical engineering) integrated * (audio engineering) multiplexed

    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 ----