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In synchronous communications, the stream of data to be transferred is encoded as fluctuating voltage levels in one wire (the 'DATA'), and a periodic pulse of voltage on a separate wire (called the "CLOCK" or "STROBE") which tells the receiver "the current DATA bit is 'valid' at this moment in time".
Asynchronous communication at the data link layer or higher protocol layers is known as statistical multiplexing, for example Asynchronous Transfer Mode (ATM). In this case, the asynchronously transferred blocks are called data packets, for example ATM cells.
Stephen Downes (born April 6, 1959) is a Canadian philosopher and commentator in the fields of online learning and new media.He has explored and promoted the educational use of computer and online technologies since 1995. [1]
Courtney Hadwin is an English singer-songwriter. She rose to fame by competing prominently on the first season of ITV's The Voice Kids UK 2017 and the 13th season of the NBC competition show America's Got Talent (AGT) the next year.
Katherine Johnson Johnson in 1983 Born Creola Katherine Coleman (1918-08-26) August 26, 1918 White Sulphur Springs, West Virginia, U.S. Died February 24, 2020 (2020-02-24) (aged 101) Newport News, Virginia, U.S. Other names Katherine Goble Education West Virginia State University (BS) Occupation Mathematician Employers NACA NASA (1953–1986) Known for Calculating trajectories for NASA ...
Louis Victor Pierre Raymond, 7th Duc de Broglie (/ d ə ˈ b r oʊ ɡ l i /, [1] also US: / d ə b r oʊ ˈ ɡ l iː, d ə ˈ b r ɔɪ /; [2] [3] French: [də bʁɔj] [4] [5] or [də bʁœj] ⓘ; 15 August 1892 – 19 March 1987) [6] was a French physicist and aristocrat known for his contributions to quantum theory.
Samuel de Champlain wrote that in his visits to Mi'kmaq and Huron communities, he met people over 100 years old. Daniel Paul attributes the incredible lifespan in the region to low stress and a healthy diet of lean meats, diverse vegetables, and legumes. [47] 18th-century Prussia [42] 24.7: For males. [42] 18th-century France [42] 27.5–30
Wassily Wassilyevich Kandinsky [a] (16 December [O.S. 4 December] 1866 – 13 December 1944) was a Russian painter and art theorist. Kandinsky is generally credited as one of the pioneers of abstraction in western art.