In computer science, group coded recording or group code recording (GCR) refers to several distinct but related encoding methods for representing data...

introduction of 6250 bpi tapes which used the more efficient group-coded recording. Manchester code was used in early Ethernet physical layer standards and is...

of G {\displaystyle G} . Group coded recording (GCR) Watkinson, John (1990). "3.4. Group codes". Coding for Digital Recording. Stoneham, MA, USA: Focal...

the Commodore 1540 (meant for the VIC-20). The disk drive uses group coded recording (GCR) and contains a MOS Technology 6502 microprocessor, doubling...

extra header byte is what causes this write incompatibility. The Group Coded Recording (GCR) scheme of binary encoding is used to store data on the magnetic...

gray ink in color printing Group coded recording, a technique for encoding digital data on magnetic tape or disk GCR, ICAO code for Tianjin Airlines, China...

tracks per side. Data is encoded using Commodore's proprietary group coded recording scheme. Soft sectoring is used for track alignment. Like most other...

Various recording methods have been employed during its lifetime as tape speed and data density increased, including PE (phase encoding), GCR (group-coded recording)...

This is a list of algebraic coding theory topics....

magnetic tape data storage in 1951. The optimal rectangular code used in group coded recording tapes not only detects but also corrects single-bit errors...

system makes each block its own cluster.: 86  The disk drive uses group coded recording and contains an MOS Technology 6510T processor as a disk controller...

improved to 4/5. This is the original IBM group coded recording variant Where possible (11 out of 16 codes), the bit pattern abcd is encoded by prefixing...

previous Commodore drives. Earlier Commodore drives used a custom group coded recording format that stored 170 kB per side of a disk. This made it fairly...

stamped with the Apple logo. Steve Wozniak developed a recording scheme known as Group Coded Recording which allowed 140k of storage, well above the standard...

compatibility with Apple's variable-speed zoned CAV scheme and group coded recording encoding format, so it could continue to read Macintosh MFS, HFS...

computer revolution. After Peddle's death, Mensch wrote in memoriam. Group coded recording Metz, Cade (December 24, 2019). "Chuck Peddle Dies at 82; His $25...

storage vendor. Its assets were sold in 2000 to Bell Microproducts. Group Coded Recording (GCR) "Micropolis - MetaFloppy. Beyond the floppy" (PDF). Canoga...

2MB diskettes for use in a FileWare drive. The disk format uses group coded recording (GCR) in a manner very similar to that of the Disk II. The drive...

Retrieved 2012-01-31. "Hard-disk-drive technology flat heads for linear tape recording". Archived from the original on February 16, 2008. Retrieved 2012-01-31...

portal Apple IIGS (limited edition case molded with Woz's signature) Group coded recording (encoding methods for representing data) Hackers: Heroes of the...

rate. Synchronized NRZI (SNRZI) and group-coded recording (GCR) are modified forms of NRZI. In SNRZI-M each 8-bit group is extended to 9 bits by a 1 in order...

Manchester encoding (DM), modified frequency modulation (MFM), M2FM and group coded recording (GCR). The 5¼-inch format displaced the 8-inch one for most uses...

rotational speed, was approximately constant. This, combined with group-coded recording (GCR), allowed standard floppy disks to hold more data than others...

improved line code, such as modified frequency modulation (MFM), modified modified frequency modulation (M²FM), FM/MFM or group coded recording (GCR). SD...

Collection GCJ—GNU Compiler for Java GCP—Google Cloud Platform GCR—Group Coded Recording GDB—GNU Debugger GDI—Graphics Device Interface GFDL—GNU Free Documentation...

4-to-5-bit codes have been used for magnetic recording and are known as group coded recording (GCR), but those are (0,2) run-length limited codes, with at...

nybble was used for a group of bits greater than 4. On the Apple II, much of the disk drive control and group-coded recording was implemented in software...

Shugart SA-800s. All of the models in the 8060 series use Commodore group coded recording (GCR) for disk reading and writing; the later 8061 and 8062 models...

Durango "Poppy"; MS-DOS was selected as the entry operating system. Group coded recording The product flyer for the Durango 800 series documents a formatted...

be omitted: Data: 1 0 0 0 0 1 Normal: 0 1 0 1 0 Sync: 0 1 1 1 0 Group coded recording (GCR) Kees Schouhamer Immink (December 1990). "Runlength-Limited...