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.
L1 and L2 Caches. Some memory caches are built into the architecture of microprocessors. The Intel 80486 microprocessor, for example, contains an 8K memory cache, and the Pentium has a 16K cache. Such internal caches are often called Level 1 (L1) caches. Most modern PCs also come with external cache memory, called Level 2 (L2) caches. These caches sit between the CPU and the DRAM.