Science · Universal Decimal Classification (UDC)
Which of the following statements is INCORRECT regarding the Universal Decimal Classification (UDC) system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The Universal Decimal Classification (UDC) system is based on the Dewey Decimal Classification (DDC).
- 2The main class 4 of UDC is vacant and its subjects are merged into class 8.
- 3Currently, DDC (OCLC) holds the copyright of UDC since 1992.✓
- 4UDC was developed jointly by Paul Otlet and Henri La Fontaine in the late 19th century.
Correct answer
Currently, DDC (OCLC) holds the copyright of UDC since 1992.
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