| 单词 | fourth-generation language |
| 释义 | > as lemmasfourth-generation language fourth-generation language n. Computing any of various high-level programming languages that more closely resemble natural language than earlier programming languages, typically being designed to be accessible to users with relatively little programming experience; abbreviated 4GL.A characteristic of many fourth-generation languages is that they are declarative rather than procedural: programs written in the language describe what is be done rather than containing a sequence of instructions for doing it. Fourth-generation languages are often used for interrogating databases. ΚΠ 1974 R. F. Gildenberg Computer-Output-Microfilm Syst. ii. 28 Many companies do not have well-documented programs written in a third or fourth generation language. 1991 M. Benedikt Cyberspace (1993) 398 From the early arcane machine code to today's high-level, fourth generation languages..software has become increasingly easier to conceptualize, build, and use. 2005 D. Draheim & G. Weber Form-oriented Anal. i. 5 Fourth generation languages are typically tightly integrated into single-vendor platforms. < as lemmas |
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