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The phase change disk is coated with a material that can freeze into either _______ or ________ state.

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The phase change disk is coated with a material that can freeze into either _______ or ________ state.

(a) crystalline, solid

(b) ice, amorphous

(c) crystalline, liquid

(d) crystalline, amorphous

I have been asked this question in an international level competition.

The question is from Tertiary Storage in chapter Mass-Storage Structures of Operating System

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The correct choice is (d) crystalline, amorphous

Explanation: None.

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