Lubin vs Mbé

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Lubin [ˈlubʲin] (German: Lüben) is a town in Lower Silesian Voivodeship in south-western Poland. From 1975–1998 it belonged to the former Legnica Voivodeship. Lubin is the administrative seat of Lubin County, and also of the rural district called Gmina Lubin, although it is not part of the territory of the latter, as the town forms a separate urban gmina.

As of 2018, the town had a total population of 72,581.

Source: Wikipedia

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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