GCR (Apple format)

GPTKB entity

Statements (18)
Predicate Object
gptkbp:instanceOf disk encoding format
gptkbp:compatibleWith IBM PC floppy disks
gptkbp:developedBy gptkb:Apple_Inc.
https://www.w3.org/2000/01/rdf-schema#label GCR (Apple format)
gptkbp:introducedIn late 1970s
gptkbp:relatedTo Commodore GCR
gptkbp:replacedBy MFM encoding
gptkbp:standsFor Group Coded Recording
gptkbp:supportsAlgorithm magnetic disk encoding
gptkbp:usedBy gptkb:Apple_II
gptkb:Apple_Lisa
gptkb:Apple_III
early Macintosh computers
gptkbp:usedFor floppy disk data encoding
gptkbp:usedIn 5.25-inch floppy disks
3.5-inch floppy disks
gptkbp:bfsParent gptkb:Apple_FDHD_Drive
gptkbp:bfsLayer 8