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.

CSCA0101 Computing Basics 17 Storage Devices Tertiary Storage Optical Disc • Optical disc is any storage media that holds content in digital format and is read using a laser assembly is considered optical media. • The most common types of optical media are – Blu-ray (BD) – Compact Disc (CD) – Digital Versatile Disc (DVD)

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