Definitions for "Data Disk"
Keywords:  floppy, disk, marc, cassettes, sensor
A circular, rotating disk at the end of Advanced Photo System film cassettes that functions as a circular bar code, communicating the film speed, type and exposure length through a sequence of reflective bars to an optical sensor in the camera.
A disk that contains your work letters, budgets, pictures, and so on.
a disk on which data and user files are stored and on which no Digital UNIX file system resides