Wednesday, 28 May 2025

UDC Short Questions and Answers – Part 1: Most Asked in Exams




Preparing for a library science or documentation exam? This post covers 10 crucial questions on UDC – perfect for quick revision.


Question-1 | Full form of UDC?

Answer - Universal Decimal Classification



Question-2 | Who developed UDC?

Answer - Paul Otlet and Henri La Fontaine



Question-3 | When was UDC developed?

Answer - Late 19th century (1895)



Question- 4 | How many main classes in UDC?.

Answer - 10 (0–9)



Question- 5 | Which number is reserved in UDC?

Answer - 4 (Unused)



Question- 6 | What type of notation does UDC use?

Answer - Decimal notation



Question- 7 | Is UDC used internationally?

Answer - Yes



Question- 8 | What does “:” signify in UDC?

Answer - Relation between subjects



Question- 9 | Where is UDC mostly used?

Answer - Academic and research libraries



Question-10 | Is UDC hierarchical?

Answer - Yes


“Found this helpful? Check out Part 2 for more essential UDC questions.”


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