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front-end processor

noun, Computers.
a small computer or other dedicated device that performs preliminary processing of data for a host computer.
Origin of front-end processor
1970-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for front-end processor

front-end processor

a small computer that receives data from input devices and performs some initial processing tasks on it before passing it to a more powerful computer for final processing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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front-end processor in Technology

(FEP) 1. A small computer necessary to enable an IBM mainframe using SNA to communicate beyond the limits of the dinosaur pen.
2. A small computer controlling the screen and keyboard of a Symbolics 3600 LISP Machine.
The Free On-line Dictionary of Computing, © Denis Howe 2010
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