There are numerous various kinds of memory and storage in a computer that have specific roles. However, one thing all of them have in common is that they store information. To scratch the surface, this article covers a number of of the assorted kinds of memory present in a computer. A computer’s central processing unit (CPU) makes use of no less than three levels of cache Memory Wave Protocol. 1. L1 Cache (quickest of the three, with the least storage capacity). 2. L2 Cache (not as quick, however extra storage capability). 3. L3 Cache (extra storage capability, however not as quick) - Could also be SDRAM in certain cases. These offer the least amount of storage (starting from KB to MB), and are very costly. Any such RAM is so fast as a result of it's a type of Static RAM (SRAM), unlike the cheaper, slower SDRAM used for main storage. Arduous drives additionally include their own cache memory to aid transfers.