| 摘要 |
PURPOSE:An operator performing rendering is provided to reduce time required for updating contents of tables by calculating arithmetic data corresponding to input data by storing digital data from the utmost value to the lowest value. CONSTITUTION:A plurality of data storage units(21) sequentially store digital data from the minimum bit value to the maximum bit value according to the size. A plurality of comparing units(22) are connected with the plurality of data storage units one to one, and sequentially compare input data with the bit values stored in the plurality of data storage units for outputting arithmetic data corresponding to the input data. A decoder(23) loads the plurality of data storage unit for updating the digital data of the plurality of data storage units.
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