Mbé vs South Oxfordshire

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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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South Oxfordshire is a local government district in the ceremonial county of Oxfordshire, England. Its council is based in Milton Park, Milton. The areas located south of the River Thames are within the historic county of Berkshire. The district was formed on 1 April 1974, under the Local Government Act 1972, from the municipal boroughs of Henley-on-Thames and Wallingford, Thame urban district, and Wallingford Rural District, Bullingdon Rural District and Henley Rural District.

The Wallingford parts were previously part of the administrative county of Berkshire.

Source: Wikipedia