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Wi-Fi 6, or IEEE 802.11ax, is an IEEE standard from the Wi-Fi Alliance, for wireless networks . It operates in the 2.4 GHz and 5 GHz bands, [ 9 ] with an extended version, Wi-Fi 6E , that adds the 6 GHz band. [ 10 ]
Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
Globalization (North American spelling; also Oxford spelling [UK]) or globalisation (non-Oxford British spelling; see spelling differences) is the process of increasing interdependence and integration among the economies, markets, societies, and cultures of different countries worldwide.
The first Senegalese film, Paulin Vieyra's Afrique-sur-Seine, was produced in 1955.Vieyra would follow up with further short films Afrique à Moscou (1957), Le Niger aujourd’hui (1958), Les présidents Senghor et Modibo Keita, Avec les Africaines à Vienne and "Présence Africaine" à Rome (1959) and Indépendance du Cameroun, Togo, Congo, Madagascar (1960), a documentary covering the ...
One of the first films to be entirely produced in Africa was the South African dramatic film The Great Kimberley Diamond Robbery (1911). [16] It was followed by De Voortrekkers (1916), South Africa's (and possibly Africa's) first epic film and oldest surviving film, about the Great Trek and targeted at an Afrikaner audience. [17]
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Wi-Fi provides wireless access to the Internet via local computer networks. Hotspots providing such access include Wi-Fi cafés, where users need to bring their own wireless devices, such as a laptop or PDA. These services may be free to all, free to customers only, or fee-based. Grassroots efforts have led to wireless community networks.
The films included propaganda films about World War II, which were produced by the Colonial Film Unit (CFU) in London. (cf. Diawara 1992: 3). After the war, the unit produced educational films and feature films for their African colonies. The films were designed to contrast the Western "civilised" way of life with the African "backward" way of ...