first in first out

== English == === Alternative forms === first-in-first-out; first-in first-out; first in, first out; first-in, first-out === Noun === first in first out (uncountable) (accounting) A method of inventory accounting that values items withdrawn from inventory at the cost of the oldest item assumed to remain in inventory. (management) A policy of assigning priority to tasks and assignments that have arrived for service first. (computing) A type of queue data structure in which the oldest added items are retrieved first. ==== Synonyms ==== FIFO ==== Translations ==== ==== See also ==== first come first served