Mbé vs Marj

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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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Marj (Arabic: المرج‎ Al Marǧ, English: The Meadows), also spelt El Merj, generally believed to be on the site of the ancient city of Barca or Barce, is a city in northeastern Libya and the administrative seat of the Marj District. It lies in an upland valley separated from the Mediterranean Sea by a range of hills, part of the Jebel Akhdar Mountains.

It has an estimated population of 85,315 (As of 2004). There are a couple of banks on the main street and the main post office is in the city centre, not far from the Abu Bakr Assiddiq mosque.

Source: Wikipedia