Memory Systems

Authored by: Kim Yoongu , Mutlu Onur

Computing Handbook

Print publication date:  May  2014
Online publication date:  May  2014

Print ISBN: 9781439898529
eBook ISBN: 9781439898536
Adobe ISBN:


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As shown in Figure 18.1, a computing system consists of three fundamental units: (i) units of computation to perform operations on data (e.g., processors), (ii) units of storage (or memory) that store data to be operated on or archived, (iii) units of communication that communicate data between computation units and storage units. The storage/memory units are usually categorized into two: (1) memory system, which acts as a working storage area, storing the data that is currently being operated on by the running programs, and (2) the backup storage system, for example, the hard disk, which acts as a backing store, storing data for a longer term in a persistent manner. This chapter will focus on the “working storage area” of the processor, that is, the memory system.

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