Siena vs Mbé

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Siena ( see-EN-ə, Italian: [ˈsjɛːna] (listen); in English sometimes spelled Sienna; Latin: Sena Iulia) is a city in Tuscany, Italy. It is the capital of the province of Siena. The historic centre of Siena has been declared by UNESCO a World Heritage Site.

It is one of the nation's most visited tourist attractions, with over 163,000 international arrivals in 2008. Siena is famous for its cuisine, art, museums, medieval cityscape and the Palio, a horse race held twice a year.

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