Mbé vs Bouar

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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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Bouar is a market town in the western Central African Republic, lying on the main road from Bangui (437 km) to the frontier with Cameroon (210 km). The city is the capital of Nana-Mambéré prefecture, has a population of 40,353, while the whole sous-préfecture has a population of 96,595 (2003 census). Bouar lies on a plateau almost 1000m above sea level and is known as the site of Camp Leclerc, a French military base.

About seventy groups of megaliths lie in the town and to its north and east. The Bouar Megaliths, dating back to the very late Neolithic Era (c. 3500–2700 BC) were added to the UNESCO World Heritage Tentative List on April 11, 2006 in the Cultural category.

Source: Wikipedia