Definition: Areal Density


The number of bits of data that can be recorded onto the surface of a disk or platter usually measured in square inches. The areal density is calculated by multiplying the bit density (BPI - Bits Per Inch) by the track density (TPI - Tracks Per Inch).




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Data Recovery Fact

Pre-fetch

Instructions that are loaded into a queue when the processor's external bus is otherwise idle.

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