Chapter 5 Storage Devices - FTMS
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 3 Storage Devices Storage Devices • A storage device is used in the computers to store the data. • Provides one of the core functions of the modern computer.
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