Mbé vs Luleå

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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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Luleå ( LOO-lay-oh, Swedish: [ˈlʉ̌ːlɛɔ] (listen), locally [ˈlʉ̌ːlɛ] (listen); Westrobothnian: Lul, Leul, or Leol [²lʉːɽ], locally [²lewɽ]; Lule Sami: Luleju) is a city on the coast of northern Sweden, and the capital of Norrbotten County, the northernmost county in Sweden. Luleå has 48,728 inhabitants in its urban core (2018) and is the seat of Luleå Municipality (with a total population of 77,832). Luleå is Sweden's 25th largest city and Norbotten County's largest city.

Luleå has the seventh biggest harbour in Sweden for shipping goods. It has a large steel industry and is a centre for extensive research. Luleå University of Technology is one of Sweden's three technology universities (the other two are KTH and Chalmers) and the northernmost university in Sweden. The university has approximately 15,000 students.

Source: Wikipedia