Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
An archaic form of this resource was implemented by Bell Labs using a piggyback twistor. A more recent form of this resource that was created using chalcogenide glass is named for the property of phase-changes. The access latency for this resource can be reduced by using a translation-lookaside buffer, as one can avoid looking up things in a page table entry. A redundant organization of this resource is performed by (*) RAID. The top of a "hierarchy" of this resource contains processor registers and cache. It can be divided into volatile and non-volatile, the latter of which includes hard drives. For 10 points, name this resource that is used for data storage, an example of which is RAM.
A:
Science