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Qus: Hard disk is coated in both side above

Qusहार्ड डिस्क ऊपर की तरफ दोनों तरफ कोटेड है

A. मैग्नेटिक मैटेलिक ऑक्साइड
B. ऑप्टिकल मैटेलिक ऑक्साइड
C. कार्बन लेयर
D. ऊपर के सभी


Solution
A. Magnetic metallic oxide



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