Search results
Results From The WOW.Com Content Network
1. Physical layer. In the IEEE 802 reference model of computer networking, the logical link control ( LLC) data communication protocol layer is the upper sublayer of the data link layer (layer 2) of the seven-layer OSI model. The LLC sublayer acts as an interface between the medium access control (MAC) sublayer and the network layer.
AT&T, T-Mobile, Verizon, Dish Wireless , and uscellular also sell SIM cards through their retail channels, both in-store and online. The top five wireless providers operate nationwide wireless networks which cover most of the population in the United States, while smaller carriers provide native network coverage across selected regions of the ...
High-bandwidth Digital Content Protection ( HDCP) is a form of digital copy protection developed by Intel Corporation [1] to prevent copying of digital audio and video content as it travels across connections. Types of connections include DisplayPort (DP), Digital Visual Interface (DVI), and High-Definition Multimedia Interface (HDMI), as well ...
Wi-Fi (/ ˈ w aɪ f aɪ /) is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves.
IEEE 802.11 is also a basis for vehicle-based communication networks with IEEE 802.11p . The standards are created and maintained by the Institute of Electrical and Electronics Engineers (IEEE) LAN/ MAN Standards Committee (IEEE 802). The base version of the standard was released in 1997 and has had subsequent amendments.
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...
Parent. Quadrant Holdings LLC. Website. qlinkwireless .com. Q Link Wireless is an American telecommunications company based in Dania, Florida that provides free wireless services to Lifeline eligible consumers. The company also offers prepaid mobile phone services including wireless voice, messaging, and data services under the Hello Mobile brand.
Baidu, Inc. ( / ˈbaɪduː / BY-doo; Chinese: 百度; pinyin: Bǎidù; lit. 'hundred degrees') is a Chinese multinational technology company specializing in Internet-related services, headquartered in Beijing 's Haidian District. [3] It holds a dominant position in China's search engine market, and provides a wide variety of other internet ...