Mbé vs Ulmer

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In computer science, group coded recording or group code recording (GCR) refers to several distinct but related encoding methods for representing data on magnetic media. The first, used in 6250 bpi magnetic tape since 1973, is an error-correcting code combined with a run-length limited (RLL) encoding scheme, belonging into the group of modulation codes.

The others are different mainframe hard disk as well as floppy disk encoding methods used in some microcomputers until the late 1980s. GCR is a modified form of a NRZI code, but necessarily with a higher transition density.

Source: Wikipedia

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Ulmer is a German surname meaning "from Ulm". Notable people with the surname include: Christian Ulmer (born 1984), German ski jumper Edgar G. Ulmer (1904–1972), Austrian-American film director Fran Ulmer (born 1947), first woman elected as Lieutenant Governor of Alaska Georg Ulmer (1877-1963), German entomologist Gregory Ulmer (born 1944), professor of English and of Electronic Languages and Cybermedia James Ulmer (born 1942), American jazz and blues guitarist and singer James Ulmer (journalist), entertainment journalist Jason Ulmer (born 1978), Canadian ice hockey player Jeff Ulmer (born 1977), Canadian ice hockey player Jeffery Ulmer (born 1966), American sociologist Kristen Ulmer (born 1966), American extreme skier Layne Ulmer (born 1980), Canadian ice hockey player LaMonte Ulmer (born 1986), American basketball player Sarah Ulmer (born 1976), New Zealand cyclist and 2004 Olympic champion Thomas Ulmer (born 1956), German politician and Member of the European Parliament for Baden-Württemberg Walter F.

Ulmer (born 1929), American lieutenant general

Source: Wikipedia