storage devices

storage devices

1. magnetic

   • high capictey cause affective
   • less advantage than a solid
   • the har disc inside a pc or laptop or probily magneyice

2. opitical

   • can be easily scrached low capatity
   • it is portable can be it can be used in varios of divises and it ischeao
   • optical storige uses a laser to read and write to cd , dvd and blue ray

3. solid state

   • it is not as cost afective
   • it is fiowend in phons tablets and usb stickes
   • high reed write speed energy efect durable

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