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Echo originally started as a request-response web application framework that leveraged the Swing object model to improve the speed of application development. [1] Through the use of the Swing model, Echo was able to employ concepts such as components and event-driven programming that removed much of the pain of web application development.
The Echo Protocol is a service in the Internet Protocol Suite defined in 1983 in RFC 862 by Jon Postel.It was originally proposed as a way to test and measure an IP network.
echo began within Multics.After it was programmed in C by Doug McIlroy as a "finger exercise" and proved to be useful, it became part of Version 2 Unix. echo -n in Version 7 replaced prompt, (which behaved like echo but without terminating its output with a line delimiter).
Most terminal emulator programs have the ability to perform echo locally (which sometimes they misname "half-duplex"): [17] In the C-Kermit terminal emulator program, local echo is controlled by the SET TERMINAL ECHO command, which can be either SET TERMINAL ECHO LOCAL (which enables local echoing within the terminal emulator program itself) or SET TERMINAL ECHO REMOTE (where disables local ...
The origin and destination resources are defined by labels. By using one or more arcs, an extended link can achieve specific sets of connections between multiple resources. For example, if all resources in an extended link were given the label A, then an arc within that link declaring from="A", to="A" would form connections between all resources.
Echo (one-to-all, one-to-one, or one-to-some distribution) is a group communications protocol where authenticated and encrypted information is addressed to members connected to a node.
In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
The Echo II is a plug-in expansion card, speech synthesizer card for the Apple II and Apple IIe personal computers that allow applications to use speech synthesis. [1] The Echo II provides a speaker/headphones jack on board, with a physical volume control adjustment.