high-density

Refers to increased storage capacity of bits, pixels and tracks per square inch. What is high density one year is mediocre density the next. See bit density and track density.

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Designation of the Format of a Floppy Disk capable of holding more information than a Double Density disk. This is generally 1.2 MB on a 5.25-inch disk and 1.44 MB on a 3.5-inch disk.