This video will explain about how hard disk are working, how a small disk can hold lot of data and does our data really stored in our hard disk..
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Time stamp
00:00 - Intro
00:40 - What is inside hard disk?
02:12 - How magnet generate electricity
04:16 - How computers read data
05:44 - What actually hard disk stores?
06:13 - How to write hard disk?
07:20 - How to read hard disk?
09:41 - How large storage is possible in small disk?
11:09 - End
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