Nitra vs Mbé

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Nitra (Slovak pronunciation: [ˈɲitra] (listen); also known by other alternative names) is a city in western Slovakia, situated at the foot of Zobor Mountain in the valley of the river Nitra. With a population of about 78,353, it is the fifth largest city in Slovakia.

Nitra is also one of the oldest cities in Slovakia; it was the political center of the Principality of Nitra. Today, it is a seat of a kraj (Nitra Region), and an okres (Nitra District).

Source: Wikipedia

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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