Mbé vs Oran

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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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Oran ( o-r-an; Arabic: وَهران‎, romanized: Wahrān also UK: , US: , French: [ɔʁɑ̃]) is a major coastal city located in the north-west of Algeria. It is considered the second most important city of Algeria after the capital Algiers, due to its population, commercial, industrial, and cultural importance. It is 432 km (268 mi) from Algiers.

The total population of the city was 759,645 in 2008, while the metropolitan area has a population of approximately 1,500,000 making it the second largest city in Algeria.A legend says that in 900 CE, lions still lived in the area. The last two lions were hunted on a mountain near Oran and are elsewhere referred to as "mountain lions".

Source: Wikipedia