Chapter 5 Storage Devices - FTMS

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CSCA0101 Computing Basics1CSCA0101COMPUTING BASICSChapter 5Storage DevicesCSCA0101 Computing Basics2Storage Data of Device Examples of Storage DeviceCSCA0101 Computing Basics3Storage DevicesStorage Devices Astoragedeviceisusedinthecomputerstostor ethedata. Computing Basics4Storage DevicesTypesofStorageTherearefourtypeofs torage: Primary Storage Secondary Storage Tertiary Storage Off-line StorageCSCA0101 Computing Basics5Storage DevicesPrimaryStorage Alsoknownasmainmemory. Mainmemoryisdirectlyorindirectlyconnecte dtothecentralprocessingunitviaamemorybus . TheCPUcontinuouslyreadsinstructionsstore dthereandexecutesthemasrequired. Example: RAM ROM CacheCSCA0101 Computing Basics6Storage DevicesPrimaryStorageRAM ItiscalledRandomAccessMemorybecauseanyof thedatainRAMcanbeaccessedjustasfastasany oftheotherdata.

Storage Devices Other Example of Storage Devices RAID • RAID is short for redundant array of independent (or inexpensive) disks. • It is a category of disk drives that employ two or more drives in combination for fault tolerance and performance. • RAID disk drives are used frequently on servers but aren't generally necessary for personal ...

  Devices, Chapter, Storage, Storage device