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Fourth-generation programming language - Wikipedia, the free encyclopedia Such languages arose after the introduction of modern, block-structured third-generation programming languages, which improved the process of software development. A fourth-generation programming language (abbreviated 4GL) is a programming language designed with a specific purpose in mind, such as the development of commercial business software. All 4GLs are designed to reduce programming effort, the time it takes to develop software, and the cost of software development. en.wikipedia.org /wiki/Fourth-generation_programming_language   (497 words)

programming language. The Columbia Encyclopedia, Sixth Edition. 2001-05 PL/1 [Programming Language 1], developed in the late 1960s by the IBM Corp., and ADA [for Ada Augusta, countess of Lovelace, biographer of Charles Babbage], developed in 1981 by the U.S. Dept. of Defense, are designed for both business and scientific use. These include the programming languages of several database and statistical programs, the scripting languages of communications programs, and the macro languages of word-processing programs. Fifth-generation languages, which are still in their infancy, are an outgrowth of artificial intelligence research. www.bartleby.com /65/pr/progrlan.html   (1032 words)

4gl pl:4GL A fourth-generation programming language (or 4GL) is an application-specific programming language. The first three generations were developed fairly quickly, but it was still frustrating, slow, and error prone to program computers, leading to the first "programming crisis", in which the amount of work that might be assigned to programmers greatly exceeded the amount of programmer time available to do it. Thus were born report-generator languages, which were fed a description of the data format and the report to generate and turned that into a program which actually contained the commands to read and process the data and place the results on the page. www.yourencyclopedia.net /4GL.html   (241 words)

Fifth-generation programming language - Wikipedia, the free encyclopedia A fifth-generation programming language (abbreviated 5GL) is a programming language based around solving problems using constraints given to the program, rather than using an algorithm written by a programmer. While fourth-generation programming languages are designed to build specific programs, fifth-generation languages are designed to make the computer solve the problem for you. In the 1990s, fifth-generation languages were considered to be the wave of the future, and some predicted that they would replace all other languages for system development, with the exception of low-level languages. en.wikipedia.org /wiki/Fifth-generation_programming_language   (212 words)

Fifth-generation programming language - Wikipedia, the free encyclopedia A fifth-generation programming language (abbreviated 5GL) is a programming language based around solving problems using constraints given to the program, rather than using an algorithm written by a programmer. While fourth-generation programming languages are designed to build specific programs, fifth-generation languages are designed to make the computer solve the problem for you. In the 1990s, fifth-generation languages were considered to be the wave of the future, and some predicted that they would replace all other languages for system development, with the exception of low-level languages. en.wikipedia.org /wiki/Fifth-generation_programming_language   (212 words)

First-generation programming language - Wikipedia, the free encyclopedia A first-generation programming language is a machine-level programming language. The first-generation programming instructions were entered through the front panel switches of the computer system. A little less recent, in the early to mid 80s, code-injection was often used to overcome certain limitations of programming languages like the interpretive QBasic. en.wikipedia.org /wiki/First-generation_programming_language   (212 words)

programming language. The Columbia Encyclopedia, Sixth Edition. 2001-05 PL/1 [Programming Language 1], developed in the late 1960s by the IBM Corp., and ADA [for Ada Augusta, countess of Lovelace, biographer of Charles Babbage], developed in 1981 by the U.S. Dept. of Defense, are designed for both business and scientific use. Fifth-generation languages, which are still in their infancy, are an outgrowth of artificial intelligence research. With some languages, such as C or Pascal, the program is turned into a separate machine language program by a compiler, which functions much as an assembler does. www.bartleby.com /65/pr/progrlan.html   (1032 words)

Dexter + Chaney In 1959, a new programming language called COBOL was invented, and with it, a third generation of programming languages. It's the latest generation of languages, which began with 1 GL (first-generation language) in the 1950s. Assembler language was in wide use by the late 1 950s and continued in very heavy use until the late 1 960s. www.dexterchaney.com /printpage.asp?page=108   (2939 words)

Third generation language -- Facts, Info, and Encyclopedia article A third generation language (3GL) is a ((computer science) a language designed for programming computers) programming language designed to be easier for a human to understand, including things like named variables. Most "modern" languages (((usually plural) a necessary commodity for which demand is constant) BASIC, (The 3rd letter of the Roman alphabet) C, (additional info and facts about C++) C++) are third generation. (A high-level programing language for mathematical and scientific purposes; stands for formula translation) Fortran, (Second brightest star in Perseus; first known eclipsing binary) ALGOL and (Common business-oriented language) COBOL are early examples of this sort of language. www.absoluteastronomy.com /encyclopedia/t/th/third_generation_language.htm   (173 words)

Encyclopedia: Programming language Programming languages are not error tolerant; however, the burden of recognizing and using the special vocabulary is reduced by help messages generated by the programming language implementation. Prototype-based programming is a style and subset of object-oriented programming in which classes are not present, and behavior reuse (known as inheritance in class-based languages) is done by cloning existing objects which serve as prototypes for the new ones. An esoteric programming language is a programming language designed as a test of the boundaries of computer programming language design, as a proof of concept, or as a joke, and not with the intention of being adopted for real-world programming. www.nationmaster.com /encyclopedia/Programming-language   (6546 words)

Fifth-generation programming language - Wikipedia, the free encyclopedia A fifth-generation programming language (abbreviated 5GL) is a programming language based around solving problems using constraints given to the program, rather than using an algorithm written by a programmer. While fourth-generation programming languages are designed to build specific programs, fifth-generation languages are designed to make the computer solve the problem for you. In the 1990s, fifth-generation languages were considered to be the wave of the future, and some predicted that they would replace all other languages for system development, with the exception of low-level languages. en.wikipedia.org /wiki/Fifth-generation_programming_language   (212 words)

4gl pl:4GL A fourth-generation programming language (or 4GL) is an application-specific programming language. The first three generations were developed fairly quickly, but it was still frustrating, slow, and error prone to program computers, leading to the first "programming crisis", in which the amount of work that might be assigned to programmers greatly exceeded the amount of programmer time available to do it. Thus were born report-generator languages, which were fed a description of the data format and the report to generate and turned that into a program which actually contained the commands to read and process the data and place the results on the page. www.yourencyclopedia.net /4GL.html   (241 words)

Second-generation programming language - Wikipedia, the free encyclopedia Unlike first-generation programming languages, the code can be read and written fairly easily by a human, but it must be converted into a machine readable form in order to run on a computer. A second-generation programming language is a term usually used to refer to some form of assembly language. The conversion process is simply a mapping of the assembly language code into binary machine code (the first-generation language). en.wikipedia.org /wiki/Second-generation_programming_language   (146 words)

Encyclopedia: Java programming language Mesa is a programming language developed at Xerox PARC that was used to program the Xerox Alto (one of the first personal computers with a graphical user interface), and later the Xerox Star workstations, and later the GlobalView desktop environment. In computer science, a programming language is type safe when the language does not permit the programmer to treat a value as a type to which it does not belong. In computer programming, operator overloading (less commonly known as operator ad-hoc polymorphism) is a specific case of polymorphism in which some or all of operators like +, = or == are treated as polymorphic functions and as such have different behaviours depending on the types of their arguments. www.nationmaster.com /encyclopedia/Java-programming-language   (11209 words)

Low-level programming language The second-generation programming language or 2GL is Assembly Language. Note that high-level versus low-level is a property; a Java programmer would consider C to be a low-level language while assembly language programmer would consider C to be a high-level programming language. The word "low" does not imply the language is inferior to high-level programming languages but rather refers to the lower of abstraction. www.freeglossary.com /Low-level_programming_language   (520 words)

Low-level programming language The second-generation programming language or 2GL is Assembly Language. Note that high-level versus low-level is a property; a Java programmer would consider C to be a low-level language while assembly language programmer would consider C to be a high-level programming language. The word "low" does not imply the language is inferior to high-level programming languages but rather refers to the lower of abstraction. www.freeglossary.com /Low-level_programming_language   (520 words)

programming language. The Columbia Encyclopedia, Sixth Edition. 2001-05 PL/1 [Programming Language 1], developed in the late 1960s by the IBM Corp., and ADA [for Ada Augusta, countess of Lovelace, biographer of Charles Babbage], developed in 1981 by the U.S. Dept. of Defense, are designed for both business and scientific use. Fifth-generation languages, which are still in their infancy, are an outgrowth of artificial intelligence research. With some languages, such as C or Pascal, the program is turned into a separate machine language program by a compiler, which functions much as an assembler does. www.bartleby.com /65/pr/progrlan.html   (520 words)

The ALGOL Programming Language ALGOL was the first second-generation programming language and its characteristics are typical of the entire generation. First consider the data structures, which are very close to first generation structures. Overall, ALGOL is considered to be perhaps the most orthogonal programming language, meaning it has a relatively small number of basic constructs and a set of rules for combining those constructs. www.engin.umd.umich.edu /CIS/course.des/cis400/algol/algol.html   (520 words)

ANSDIT - The letter "P" A fifth-generation programming language that allows coding of precise facts and rules; it uses a declarative instead of a procedural approach making the programmer describe what must be computed instead of how to perform the work. In some programming languages (i.e., C and C++), the procedure language construct is not differentiated from the function language construct except that returned data values may be void or not used. A combination of language constructs from a programming language with those of natural language that is not necessarily computer-processable, but intended to make the design of a program manifest to human readers. www.ncits.org /tc_home/k5htm/p3.htm   (2571 words)

Fourth Generation Programming Language for Engineers and Scientists Under SMART Stage 1 a "Fourth Generation" programming language (4GL) has been developed which allows software to be developed for technical markets in the same cost-effective way as commercial software. The language syntax closely resembles FORTRAN, the most widely used programming language in science and engineering, and so is immediately accessible to the majority of potential users. Up to the present, the developers of technical software have had only traditional programming languages and subroutine libraries with which to develop software. www.flosim.com /fsi/pr151092.html   (259 words)

FOCUS - Wikipedia, the free encyclopedia Invented in 1975, FOCUS, the first "4GL" or fourth-generation programming language resembles other data access and analysis languages such as SQL and SAS, but also includes report and chart display and presentation features. Compared to general-purpose programming languages, this structure allows the user/programmer to be less familiar with the technical details of the data and how it is stored, and relatively more familiar with the information contained in the data. concatenation, or parsing) usually required with other earlier programming languages to change variable formats or data structures. en.wikipedia.org /wiki/Focus_software   (610 words)

4gl.txt A program to sort all the lines in a file, for example, is reduced to "sort file" in a fourth generation environment. Fourth Generation Program for file in file1 file2 file3 do sort $file done At the UNIX shell level you can, in many cases, say what you want without saying how (non-procedural), and you will get it: $ sort file and you get a sorted file. Programs and philosophies car- ried over from other systems put walls between the user and UNIX, and the power of UNIX is thrown away. www.rdb.com /lib/4gl.txt   (3572 words)

fourth-generation language Other ‘generations’ (the term implies a class of language rather than a chronological sequence) are machine code (first generation); assembly languages, or low-level languages (second); and conventional high-level languages such as BASIC and Pascal (third). In computing, a type of programming language designed for the rapid programming of applications but often lacking the ability to control the individual parts of the computer. Such a language typically provides easy ways of designing screens and reports, and of using databases. www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0005805.html   (149 words)

Module Template no macros Module Title 4GL PROGRAMMING 2 Module Number ITA415 Module Purpose This module will enable a student to use a fourth generation programming language to develop software applications involving multiple-file databases, report generation and integration of code modules from other languages. Module Purpose This module will enable a student to use a fourth generation programming language to develop software applications involving multiple-file databases, report generation and integration of code modules from other languages. General Comments · This module has been designed to provide for the learner with the skills to develop multiple-fie databases using a 4GL Programming Language. www.cs.ntu.edu.au /sit/unit/ita415.html   (1093 words)

What is programming language? - A Word Definition From the Webopedia Computer Dictionary High-level programming languages, while simple compared to human languages, are more complex than the languages the computer actually understands, called machine languages. The choice of which language to use depends on the type of computer the program is to run on, what sort of program it is, and the expertise of the programmer. Assembly languages are similar to machine languages, but they are much easier to program in because they allow a programmer to substitute names for numbers. www.webopedia.com /TERM/p/programming_language.html   (682 words)

Prolog and Predicate Logic - Introduction Prolog is an example of a fourth generation programming language supporting the declarative programming paradigm. Prolog, which is short for PROgramming in LOGic, is a logic and declarative language that is particularly suited to programs that involve symbolic or non-numeric computation. It was original written as a combination of the Pascal and Assembly languages, and then redesigned to operate in a UNIX environment using Quintus Prolog as the main implementation language. www.sis.pitt.edu /~logicp/group2/introduction.html   (541 words)

fourth generation language from FOLDOC Fourth generation languages are close to natural language and were built with the concept that certain applications could be generalised by adding limited programming ability to them. <language> (4GL, or "report generator language") An "application specific" language, one with built-in knowledge of an application domain, in the way that SQL has built-in knowledge of the relational database domain. Nearby terms: four colour theorem « Fourier transform « fourth generation computer « fourth generation language » fourth normal form » Fowler-Nordheim tunnelling » FoxBASE+ foldoc.org /?fourth+generation+language   (161 words)

Method for extending a fourth generation programming language - Patent 5721929 The new class created to extend the programming language must be a derived class of the External class provided in the programming language, it must include a constructor to pass the engine context to the base class and it must include a member entitled "Execute" of type "Value *". After the programming language function is complete, or if no programming language functions are needed by the extension, control goes to block 508 which performs any other desired operations within the extension. The engine context is a set of data used by the programming language in interpreting the statements of the programming language. www.freepatentsonline.com /5721929.html   (4715 words)

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