Storage : Immediate Access Store

Immediate Access Store ( IAS ) holds programs and data that the user is currently working with. For example :

There are two different types of IAS :

IAS is located inside the computer. Data can be written to and read from IAS electronically at very high speeds, much faster that it can be written to or from backing store. IAS is much more expensive to buy per Mb than backing store is.

(C) P Meakin 2001