Computing: Secondary Storage 1 5.0 / 5 based on 1 rating ? ComputingSecondary StorageGCSEOCR Created by: Adam100Created on: 28-03-15 15:39 What is the need for secondary storage? Secondary storage is needed to store files which we want to keep. We can use portable secondary storage to transfer files between computers 1 of 5 How does optical storage work? Using microscopic dips, it codes data on the surface of the disc 2 of 5 How does magnetic storage work? Codes data using small changes in magnetic fields 3 of 5 How does solid state storage work? Uses non-volatile memory chips to store data 4 of 5 State 3 characteristics of optical storage. Fast access, lightweight and small, 5 of 5
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