Buffer is a temporary storage area that a device uses to contain incoming data before it can be processed for input or to contain outgoing data before it can be sent as output.

Webster Dictionary Meaning

1. Buffer
- An elastic apparatus or fender, for deadening the jar caused by the collision of bodies; as, a buffer at the end of a railroad car.
- A pad or cushion forming the end of a fender, which receives the blow; -- sometimes called buffing apparatus.
- One who polishes with a buff.
- A wheel for buffing; a buff.
- A good-humored, slow-witted fellow; -- usually said of an elderly man.
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