Labels:cabinet | crt screen | cushion | earth | grass | hakham | plaything | sky OCR: RAGE EGHNOL OGIE 1-23 RAID another type of hard storage 1S found in an incri easing number of mainframe and micro comp uter installations RAID stands for redundant array of independent disks RAID storage device contains many platters proy ides redundancy and achieves faster data access than conventional hard disks The redundancy feature of RAID tech- nology protects data from media failures hv recording data on more than one platter. further incre ase the speed of data access, your computer might use ys!p e cache disk cache (pronounced "cash" special area of computer memory into which the computer transfers the data you are likely to need from disk storage Figure 4-24 shows how cache works Figure 4-24 How dis caching works 1. The computer asks for some date a that ie stored on di sk The di ...
