Transcription of Chapter 5 Storage Devices - FTMS
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Chapter 5 Storage Devices - FTMS
CSCA0101 Computing Basics1 CSCA0101 COMPUTING BASICSC hapter 5 Storage DevicesCSCA0101 Computing Basics2 Storage Data of Device Examples of Storage DeviceCSCA0101 Computing Basics3 Storage DevicesStorage Devices Astoragedeviceisusedinthecomputerstostor ethedata. Computing Basics4 Storage DevicesTypesofStorageTherearefourtypeofs torage: Primary Storage Secondary Storage Tertiary Storage Off-line StorageCSCA0101 Computing Basics5 Storage DevicesPrimaryStorage Alsoknownasmainmemory. Mainmemoryisdirectlyorindirectlyconnecte dtothecentralprocessingunitviaamemorybus . TheCPUcontinuouslyreadsinstructionsstore dthereandexecutesthemasrequired. Example: RAM ROM CacheCSCA0101 Computing Basics6 Storage 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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