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Unit 3 (Magnetic Storage Devices / Media: Stores data int the form of ant…
Unit 3
Magnetic Storage Devices / Media: Stores data int the form of ant magnetized dots which is created by electromagnets
Hard drives: Capacity 1TB, is a RAM, stores all types of films including movies and is fast to access.
Fixed Hard Drives: Built in a case of a computer "fixed". The main backing storage for all computers as it it provides instant access to files (RAM).
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Magnetic Tape: has a large capacity but it slow to access. It us used to stores large amounts of data and is an excellent option to back up data.
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Optical Storage Devices
Read - Only Discs
CD ROM: Is compact, holds 800MB, non volatile, used to distribute all sorts of data
DVD ROM: Digital versatile disc, holds 4.7GB, holds more data and stores high quality videos
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