Mbé vs Fez

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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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The Fez (Turkish: fes), also called Tarboosh (Arabic: طربوش‎, romanized: ṭarbūš, derived from Persian: فینه‎, romanized: sarpuš, lit. 'cap'), is a felt headdress in the shape of a short cylindrical peakless hat, usually red, and sometimes with a tassel attached to the top.

The name "Fez" refers to the Moroccan city of Fez (capital of the Kingdom of Morocco until 1927), where the dye to colour the hat was extracted from crimson berries. The modern fez owes much of its popularity to the Ottoman era.

Source: Wikipedia