Alba vs Mbé

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Alba (English: ) is the Scottish Gaelic name (pronounced [ˈal̪ˠapə]) for Scotland. It is cognate with the Irish term Alba (gen. Alban, dat. Albain) and the Manx term Nalbin, the two other Goidelic Insular Celtic languages, as well as contemporary words used in Cornish (Alban) and Welsh (Yr Alban), both of which are Brythonic Insular Celtic languages.

(The third surviving Brythonic language, Breton, instead uses Bro-Skos, meaning 'country of the Scots'.) In the past these terms were names for Great Britain as a whole, related to the Brythonic name Albion.

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