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Online Computer Terms Dictionary - U

upper memory block

<storage> (UMB) Up to 64 kilobytes of the expanded memory page frame above the first 64 kilobytes. The UMB can be used to store TSR programs or device drivers thereby freeing parts of the precious conventional memory. The UMB is provided by special memory manager programs; many EMMs can provide UMB as well.

(1996-01-10)

 


Nearby terms: UPMAIL Tricia Prolog upper bound Upper Layer Protocol upper memory block Upper Side-Band modulation Upright Database Technology AB UPS
 

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