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1. WordNet® 3.0 (2006) |
accumulator
n 1: a person who is employed to collect payments (as for rent
or taxes) [syn: collector, gatherer, accumulator]
2: a voltaic battery that stores electric charge [syn: storage
battery, accumulator]
3: (computer science) a register that has a built-in adder that
adds an input number to the contents of the register [syn:
accumulator, accumulator register]
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2. The Collaborative International Dictionary of English v.0.48 |
Accumulator \Ac*cu"mu*la`tor\, n. [L.]
1. One who, or that which, accumulates, collects, or amasses.
[1913 Webster]
2. (Mech.) An apparatus by means of which energy or power can
be stored, such as the cylinder or tank for storing water
for hydraulic elevators, the secondary or storage battery
used for accumulating the energy of electrical charges,
etc.
[1913 Webster]
3. A system of elastic springs for relieving the strain upon
a rope, as in deep-sea dredging.
[1913 Webster]
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3. The Jargon File (version 4.4.7, 29 Dec 2003) |
accumulator
n. obs.
1. Archaic term for a register. On-line use of it as a synonym for register
is a fairly reliable indication that the user has been around for quite a
while and/or that the architecture under discussion is quite old. The term
in full is almost never used of microprocessor registers, for example,
though symbolic names for arithmetic registers beginning in ?A? derive from
historical use of the term accumulator (and not, actually, from
?arithmetic?). Confusingly, though, an ?A? register name prefix may also
stand for address, as for example on the Motorola 680x0 family.
2. A register being used for arithmetic or logic (as opposed to addressing
or a loop index), especially one being used to accumulate a sum or count of
many items. This use is in context of a particular routine or stretch of
code. ?The FOOBAZ routine uses A3 as an accumulator.?
3. One's in-basket (esp. among old-timers who might use sense 1). ?You want
this reviewed? Sure, just put it in the accumulator.? (See stack.)
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4. The Free On-line Dictionary of Computing (30 December 2018) |
accumulator
In a central processing unit, a register in
which intermediate results are stored. Without an
accumulator, it would be necessary to write the result of each
calculation (addition, multiplication, shift, etc.) to main
memory and read them back. Access to main memory is slower
than access to the accumulator which usually has direct paths
to and from the arithmetic and logic unit (ALU).
The canonical example is summing a list of numbers. The
accumulator is set to zero initially, each number in turn is
added to the value in the accumulator and only when all
numbers have been added is the result written to main memory.
Modern CPUs usually have many registers, all or many of which
can be used as accumulators. For this reason, the term
"accumulator" is somewhat archaic. Use of it as a synonym for
"register" is a fairly reliable indication that the user has
been around for quite a while and/or that the architecture
under discussion is quite old. The term in full is almost
never used of microprocessor registers, for example, though
symbolic names for arithmetic registers beginning in "A"
derive from historical use of the term "accumulator" (and not,
actually, from "arithmetic"). Confusingly, though, an "A"
register name prefix may also stand for "address", as for
example on the Motorola 680x0 family.
2. A register, memory location or variable being
used for arithmetic or logic (as opposed to addressing or a
loop index), especially one being used to accumulate a sum or
count of many items. This use is in context of a particular
routine or stretch of code. "The FOOBAZ routine uses A3 as an
accumulator."
[Jargon File]
(1999-04-20)
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Common Misspellings > |
accumulator caccumulator cacumulator acacumulator ccumulator aaccumulator acccumulator acumulator acccumulator acucmulator accucmulator acumulator acccumulator accmuulator accumuulator accmulator accuumulator accuumlator accumumlator accuulator accummulator accumluator accumuluator accumlator accumuulator accumualtor accumulaltor accumuator accumullator accumultaor accumulataor accumultor accumulaator accumulaotr accumulatotr accumulaor accumulattor accumulatro accumulatoro accumulatr accumulatoor accumulatror accumulato accumulatorr qccumulator aqccumulator qaccumulator wccumulator awccumulator waccumulator sccumulator asccumulator saccumulator xccumulator axccumulator xaccumulator zccumulator azccumulator zaccumulator ccumulator a ccumulator accumulator eccumulator iccumulator occumulator uccumulator assumulator acssumulator asscumulator addumulator acddumulator addcumulator affumulator acffumulator affcumulator axxumulator acxxumulator axxcumulator avvumulator acvvumulator avvcumulator a umulator ac umulator a cumulator acc7mulator accu7mulator acc7umulator acc&mulator accu&mulator acc&umulator acc8mulator accu8mulator acc8umulator accymulator accuymulator accyumulator accimulator accuimulator acciumulator acchmulator accuhmulator acchumulator accjmulator accujmulator accjumulator acckmulator accukmulator acckumulator accamulator accemulator accomulator accujulator accumjulator accujmulator accukulator accumkulator accukmulator accululator accumlulator acculmulator accunulator accumnulator accunmulator accu ulator accum ulator accu mulator accum7lator accumu7lator accum7ulator accum&lator accumu&lator accum&ulator accum8lator accumu8lator accum8ulator accumylator accumuylator accumyulator accumilator accumuilator accumiulator accumhlator accumuhlator accumhulator accumjlator accumujlator accumjulator accumklator accumuklator accumkulator accumalator accumelator accumolator accumuiator accumuliator accumuilator accumuoator accumuloator accumuolator accumupator accumulpator accumuplator accumukator accumulkator accumuklator accumu,ator accumul,ator accumu,lator accumu.ator accumul.ator accumu.lator accumulqtor accumulaqtor accumulqator accumulwtor accumulawtor accumulwator accumulstor accumulastor accumulsator accumulxtor accumulaxtor accumulxator accumulztor accumulaztor accumulzator accumul tor accumula tor accumul ator accumuletor accumulitor accumulotor accumulutor accumula5or accumulat5or accumula5tor accumula%or accumulat%or accumula%tor accumula6or accumulat6or accumula6tor accumularor accumulatror accumulartor accumulayor accumulatyor accumulaytor accumulafor accumulatfor accumulaftor accumulagor accumulatgor accumulagtor accumulahor accumulathor accumulahtor accumulat9r accumulato9r accumulat9or accumulat(r accumulato(r accumulat(or accumulat0r accumulato0r accumulat0or accumulatir accumulatoir accumulatior accumulatpr accumulatopr accumulatpor accumulatkr accumulatokr accumulatkor accumulatlr accumulatolr accumulatlor accumulatar accumulater accumulatur accumulato4 accumulator4 accumulato4r accumulato$ accumulator$ accumulato$r accumulato5 accumulator5 accumulato5r accumulatoe accumulatore accumulatoer accumulatot accumulatort accumulatotr accumulatod accumulatord accumulatodr accumulatof accumulatorf accumulatofr accumulatog accumulatorg accumulatogr Definition commonly spelled as: Defanition or Defenition, Synonym as: Synonim, Sinonym or Sinonim, Thesaurus as: Thesorus or Thesauris, Dictionary as: Dictionery or Dictionry and Define is usually not misspelled. What does mispell meen? It Meens...
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