Computer · Computer Hardware
चुम्बकीय डिस्क पर किस पदार्थ की परत चढ़ी होती है?
- 1सोडियम पेरोक्साइड
- 2मैग्नीशियम ऑक्साइड
- 3फॉस्फोरस पेटाक्साइड
- 4आयरन ऑक्साइड✓
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आयरन ऑक्साइड
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