Retail Math Reference and Glossary of Terms. Name Description Formula Example. Age (Weeks. Active) The amount of weeks an item is on the selling floor. (Weeks Active implies the quantity of weeks an item. has been selling, or available for selling, starting. from the first week it sells until it is sold out).
Cache Size. The size of the cache normally refers actually to the size of the data store, where the memory elements are actually stored. A typical PC level 2 cache is either 256 KB or 512 KB, but can be as small as 64 KB on older machines, or as high as 1 MB or even 2 MB.
A disk cache is an integrated part of the hard disk and is a standard feature of most hard disk drives. The size of disk cache ranges from 128 MB in standard disks to 1 GB in solid state disks. Typically, a disk cache stores the most recent and frequently used programs and data. When a user or program requests data, the operating system first reviews the disk cache.