`Case 6:20-cv-00810-ADA Document 73-18 Filed 04/23/21 Page 1 of 2
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`EXHIBIT G
`EXHIBIT G
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`Case 6:20-cv-00810-ADA Document 73-18 Filed 04/23/21 Page 2 of 2
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`earlier transistors which required "refresh-
`ing" every few milliseconds by a charging cur-
`rent. CMOS transistors consume little power
`when used in portable battery-operated
`equipment. The equipment can be switched
`off leaving only the memory connected to the
`battery without losing stored data.
`See also SEMICONDUCTORS — GALLIUM
`ARSENIDE and BIPOLAR.
`
`SENSOR
`A device for detecting change in light inten-
`sity heat, pressure, sound etc., and converting
`it into an electrical signals.
`
`SERIAL TRANSMISSION
`The transmission of data, one bit at a time,
`down a single communications wire. See also
`PARALLEL TRANSMISSION.
`
`SERVER
`A station (node) on a network that provides a
`service by managing a communal resource
`such as storage, printing, etc.
`
`SGML
`STANDARD GENERALIZED MARKUP
`LANGUAGE.
`
`SHANNON, CLAUDE E.
`Claude Shannon, born in 1916, was a student
`of Vannevar Bush at MIT. His thesis, written
`in 1938, showed how symbolic logic could be
`applied to relay circuits, particularly those
`used in telephone exchanges. This idea trans-
`formed the trial and error methods then used
`for switching design into precise mathemati-
`cally defined functions.
`In 1948 his Mathematical Theory of Communi-
`cation was published. It gave rise to "Informa-
`tion Theory" which for some years was
`applied to a range of problems for which it
`was ill-suited. Currently it is being used as
`was originally intended — in particular for
`dealing with various problems in coding,
`required in order to improve telecommunica-
`tion transmission rates and reduce errors.
`Claude Shannon's first job was at MIT,
`obtained by responding to an advertisement
`for a research assistant to run the Differential
`Analyser, a machine invented by Vannevar
`Bush. After four years he moved in 1941 to the
`Bell Research Laboratories and worked in a
`university-like atmosphere with the mathe-
`
`SHIFT REGISTER
`
`matics research group. He said later:- "Had I
`been in another company aimed at a more
`particular goal, I wouldn't have had the free-
`dom to work that way".
`While working at the Bell Labs during
`World War II, Shannon did some research en-
`abling the scrambling apparatus used for long
`range telephone calls between Churchill and
`Roosevelt to be designed. The coding system
`which was used remains secure to this day.
`Shannon, who is now 75,1ives appropriately at
`"Entropy House" near Boston. It is full of
`various gadgets.
`In 1985 Shannon turned up at an informa-
`tion symposium in Brighton UK incognito.
`Having been persuaded to make a speech fol-
`lowing the banquet, but thinking his audience
`might be bored, he pulled some balls out of his
`pockets and started juggling, to the cheers of
`the delegates. Juggling was one of his hobbies
`— he has built several juggling machines.
`
`SHELL
`1. INFERENCE ENGINE software in an
`expert system which is domain indepen-
`dent. A general purpose set of rules
`which should be able to solve problems
`and derive conclusions from different
`kinds of knowledge data.
`2. A structured way of containing data.
`See also ARTIFICIAL INTELLIGENCE.
`
`SHIFT DOWN
`See AUTOMATIC FALLBACK.
`
`SHIFT REGISTER
`A string of inter-connected FLIP-FLOPS each
`of which may be either on or off, constituting a
`store. The circuit arrangement lends itself to
`particular kinds of operation — for instance
`digits may be shifted along the device from
`input to output by control signals.
`Each F-F can be accessed by an input and
`output terminal in addition to its connection
`to the next one. All F-F's can be connected to
`control lines. There are several ways the cir-
`cuit can be used. For example the F-F's input
`terminal can receive a succession of digits for
`storage, and subsequently these digits may be
`shifted along the device.
`The shift register has been used as a parallel
`to serial convertor. Alternatively data can be
`shifted into the first F-F in the chain and along
`the register, and when the sequence is stored
`
`279
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`Copyright Co) 1993. De Gruyter, Inc.. All rights reserved.
`
`Cawkell, A. E. (1993). Encyclopaedic dictionary of information technology and systems. ProQuest Shook Central <a
`onclick=window.open(http://ebookcentral.proguest.com'Lblank') href=Mttp://ebookcentral.proguest.com target='_blank' style='cursor: pointer;'>http://ebookcentral.proguest.
`Created from nu on 2021-03-16 15:17:41.
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