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The channel capacity is defined as ... For memoryless channels, Shannon showed [13] that feedback does not increase the capacity, ...
The PLATO system was launched in 1960 at the University of Illinois and subsequently commercially marketed by Control Data Corporation.It offered early forms of social media features with innovations such as Notes, PLATO's message-forum application; TERM-talk, its instant-messaging feature; Talkomatic, perhaps the first online chat room; News Report, a crowdsourced online newspaper, and blog ...
A bot is a computer program that can automatically tweet, retweet, and follow other accounts. Twitter's open application programming interface and the availability of cloud servers make it possible for bots to exist within the social networking site. [381]
The resilience to severe channel conditions can be further enhanced if information about the channel is sent over a return-channel. Based on this feedback information, adaptive modulation , channel coding and power allocation may be applied across all subcarriers, or individually to each subcarrier.
The FCC, in October 2020, concluded from WWFD's experiments: "the record does not establish that an audio stream on an HD-2 subchannel is currently technically feasible(.)" [18] A proposed FCC rule would require stations that wish to multiplex their digital AM signals to request and receive permission to do so. [18]
The DisplayPort AUX channel is a half-duplex (bidirectional) data channel used for miscellaneous additional data beyond video and audio, such as EDID (I 2 C) or CEC commands. [8]: §2.4 This bidirectional data channel is required, since the video lane signals are unidirectional from source to display. AUX signals are transmitted across a ...
Arabic news channel available in the Arab World. Operated by BBC World Service. BBC News Persian: Persian news channel available in Europe, Iran, Afghanistan and Tajikistan. Operated by BBC World Service. BBC America: United States, a mixture of comedy, drama and lifestyle programming. Joint venture between BBC Studios Channels with AMC Networks.
Different social groups can show different mean height. According to a study in France, executives and professionals are 2.6 centimetres (1.0 in) taller, and university students are 2.55 centimetres (1.0 in) taller than the national average. [ 7 ]