FIFO

FIFO may refer to:

==First in, first out== First in, first out describes a method of managing items in storage: FIFO in stock rotation, particularly to avoid food spoilage FIFO (computing and electronics), a method of queuing or memory management Queue (abstract data type), data abstraction of the queuing concept FIFO (electronic), a digital circuit that stores and outputs data in the order received FIFO and LIFO accounting, methods used in managing inventory and financial matters