table look-up

table look-up

[′tā·bəl ′lu̇k ‚əp]
(computer science)
A procedure for calculating the location of an item in a table by means of an algorithm, rather than by conducting a search for the item.
References in periodicals archive ?
COMPUTATION OF CYCLIC REDUNDANCY CHECKS VIA TABLE LOOK-UP A Cyclic Redudancy Check (CRC) code provides a simple, yet powerful method for the detection of errors during digital data transmission.
JetForm for E-Mail/C's calculation capabilities and its data validation rules, including range and numeric checks, table look-ups and mandatory fields.
This algorithm requires only five table look-ups, five XOR's, and four shifts per input byte.