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Assembly Language or Machine Code ?

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작성자 Bernadine
댓글 0건 조회 30회 작성일 24-09-16 08:17

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ASP commands are embedded within HTML documents having their name extended with an .asp type suffix (extension), in order to provide dynamic content. At this time, DARPA was no longer the main financial supporter of Internet, that responsibility having been taken by the National Science Foundation and by other official departments in North America, in Great Britain, and in a few other European nations. 1990: Arpanet project discontinued, after having succesfully developed itself into the Internet backbones of the National Science Foundation. 1981: agreement between CSnet - National Science Foundation (David Farber) and DARPA (Robert Kahn), in order to share the infra-structure of Arpanet. 1989: proposal of a World Wide Web, system of linked information able to work with different kinds of computers, by Tim Berners-Lee and Robert Caillau (Centre d'Etudes sur Recherche Nucleaire, Genevre, Switzerland). Mosaic helped the growth of the World Wide Web, eclipsing other systems based on Internet, like Wide Area Information System, Hytelnet, Gopher or Usenet. Aditionally, programmes can be more or less divided between those that expect a rigid sequence of procedures performed by the human operator (like in the DOS operating system), and programmes that allow flexible events performed by the human, without following rigid sequence (like in the Windows operating system).



Sequential programming was the rule until 1971 or so, and continue being the practice today for minor programmes. For years, only minor enhancements have been done to it. For two or three years, the Osborne I was a high commercial success. Like the IBM Personal Computer, the Osborne I had two drives for removable floppy disks of 5.25 inches, used to boot-strap the operating system and for storage (most microcomputers of those years had no fixed -hard- disk). As opposed to a page (screen) editor, a line editor can only move the cursor horizontally, but not vertically (much like the COPY CON and similar commands that were later used in DOS and other operating systems of the 1970's and 1980's, or like the EDLIN text editor). The commands of high level languages approach words of some natural human language (often the English language). Also added was a support for the EGA's 43-line text mode and for several new language features. 1985: Xerox Note Cards, hyper text system based on Lisp programming language. Snobol: a programming language used from the 1960's to the 1980's. Speed Coding: the second scientific programming language, created by Seldon and John Backus of International Business Machines in 1953. SGML, Standard Generalised Mark-up Language: the basic standard from which most mark-up languages are derived.



August 1981: Personal Computer, successful series of microcomputers of 16 bits (International Business Machines). 1984: microprocessor Motorola 68020 of 4 Gigabytes of 32 bits at 16 Megahertz. It was the first microprocessor and the basis of many others, most of which integrated MOS transistors. Work on the Basic compiler and on a time sharing system at Darmouth College was done concurrently, therefore this first dialect of early 1964 was executed in the batch processing system before the time sharing system were ready. Besides, after the death of the leader of the programming team, Turbo-Power Basic seems to have stopped development. Later, Phill Gross became leader of the Internet Engineering Task Force. The Internet Activities Board was then formed with the leaders of each task force, led by Mister Clark. 1985: NFSnet (National Science Foundation), led by Dennis Jennings in 1985 and by Steve Wolff in 1986, made inter-operability with the Internet of DARPA (managed by the Internet Activities Board), extended TCP/IP, distributed costs for development and maintenance to other North American organisations, and helped to form a Federal Networking Council as a coordinator with international organisations (such as R. A. R. E. in Europe) through the Intercontinental Research Committee.



Other chip producing companies were Fairchild, Texas Instruments (these two had begun earlier than Intel), Motorola, MOS Technology, Zilog, Signetics, Mostek, National, Hewlett-Packard, AMD, Cyrix and Nexgen, all of them North American. 1987: workshop on hyper text systems in Chapel Hill, North Carolina, helping to form Siglink in 1989 (later renamed ACM Sig Web), organisation that has for many years centred attention with its annual conferences on most of the academic research on hyper text. In 1986 there were 6 main nodes with connection speed of 56 Kb, in 1995 they had increaed to 21 main nodes with speed of 45 Mb, used by over 50 000 local area networks worldwide (29 000 of them located in North America). Late 1990's: the I. E. T. F. counts over 75 work groups, what is billiards defining all kinds of technical regulations for the Internet. September 1988: first Interop Trade Show, with over 5 000 technicians from about 50 private companies involved with TCP/IP. Many private networks were bought into connection to the Internet. The I. E. S. G. and the I. E. T. F. become main responsibles for Internet standards, at equal level with I. A. B. 1992: it is calculated that Internet counts about 1 000 000 host-servers.

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