Is a programming language that contains built-in commands for complex task such as sorting data or creates columnar report. 4GL is a programming language that can be employed directly by end users or less skilled programmers to develop computer applications more rapidly than with conventional programming languages.
These languages use English-like commands or menu-driven sessions. These are the application development tools which improves the efficiency and productivity. The application programs make use of the operating system by making request for services through a defined Application Program Interface (API).
Users can interact directly with the operating system through a user interface such as a
Graphical User Interface (GUI)
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