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DENDRAL rules are used to determine :

  • A.Pharmaceutical compound structures
  • B.Biological structures
  • C.Geological structures
  • D.Complex chemical structures

Answer: D

DENDRAL rules are used to determine complex chemical structures.

DENDRAL, developed at Stanford from 1965 by Edward Feigenbaum, Joshua Lederberg and Bruce Buchanan, is regarded as the first expert system. It inferred the molecular structure of unknown organic compounds from mass spectrometry data, using heuristic rules supplied by chemists.

It was not built for pharmaceutical, biological or geological structures; it worked out the structure of chemical molecules in general.

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