Fourth-Generation Languages (4GL): identify which statement is NOT true about 4GL capabilities and characteristics.

Question

Solve this multiple-choice question and choose the correct option.

Accepted Answer

Introduction / Context:Fourth-Generation Languages (4GLs) are higher-level programming tools designed to speed up application development—especially database applications—by providing declarative constructs, report writers, form builders, and query languages. This question asks which statement is not true of 4GLs. Given Data / Assumptions: 4GLs commonly bundle screen/form/report facilities. 4GLs are often shipped with or integrated into DBMS products. A 4GL tool can be implemented using a 3GL under the hood. Concept / Approach: Check each claim against typical 4GL features: UI builders, high-level queries, reports. Identify the one that contradicts standard 4GL capabilities. Step-by-Step Solution: Evaluate option A: Many 4GLs (e.g., SQL-based RAD tools) explicitly support high-level screen and form interaction; saying they do not is false.Evaluate option B: Major DBMS ecosystems historically included 4GLs or 4GL-like tools. This is true.Evaluate option C: A language/tool can be implemented in another; many 4GL runtimes are built with 3GLs. This is true.Option D cannot be true because A is false while B and C are true. Verification / Alternative check: Look at classic RAD/4GL environments (forms, reports, SQL generators). Their hallmark is rapid UI and database interaction—directly contradicting A. Why Other Options Are Wrong: Many DBMS support 4GLs: Accurate; integration with databases is a defining use case. 4GL implemented in 3GL: Implementation detail; commonly true. All of the above: Invalid because not all statements are true. None of the above: Invalid because there is indeed one false statement (A). Common Pitfalls: Confusing 4GLs with low-level languages that lack UI tooling. Assuming implementation language changes the definition of a 4GL. Final Answer: 4GL does not support a high level of screen interaction

Fourth-Generation Languages (4GL): identify which statement is NOT true about 4GL capabilities and characteristics.

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