Mbé vs Tindouf

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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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Tindouf (Berber: Tinduf, Arabic: تندوف‎) is the main town, and a commune in Tindouf Province, Algeria, close to the Mauritanian, Western Saharan and Moroccan borders. The commune has population of around 160,000 but the census and population estimates do not count the Sahrawi refugees making the population as of the 2008 census 45,966, up from 25,266 in 1998, and an annual population growth rate of 6.3%.The region is considered of strategic significance. It houses Algerian military bases and an airport with regular flights to Algiers as well as to other domestic destinations.

The settlement of Garet Djebilet lies within the municipal territory of Tindouf near the border with Mauritania; the settlement has an iron mine and a defunct airport, and is approximately 70 kilometres (43 mi) northwest of Âouinet Bel Egrâ. Since 1975, it also contains several Sahrawi refugee camps operated by the Polisario Front, a national liberation movement seeking the self-determination of Western Sahara.

Source: Wikipedia