31. Which of the following is a multiuser system? (A) DOS (B) UNIX (C) LAN System (D) LAN and UNIX 32. Decimal Fraction Notation was first used by (A) Richardson (B) Charles Martel (C) Melvil Dewey (D) H P Luhn 33. Canon of modulation falls under (A) Chain (B) Array (C) Characteristics (D) Success of characteristics 34. A Collection of entities without any special arrangement among them is termed as (A) Grouping (B) Allocations (C) Aggregate (D) Cluster 35. According to colon classification ‘J’ is known as (A) Agriculture (B) Botany (C) Medicine (D) Literature 36. A Scheme for classification that is based on some characteristics of the books, which do not provide a reliable guidance regarding subject matter is …. (A) Artificial classification (B) Form classification (C) Flexible classification (D) Famifying classification 37. In which scheme for classification, provision for arranging both minor and major topic is made by leaving gaps in notation? (A) Library of Congress classification (B) Dewey Decimal Classification (C) Universal classification (D) Colon classification 38. A work which is treated as a subject by itself is. (A) Macro Subject (B) Micro Subject (C) Quasi Subject (D) Spot Subject 39. Detailed classification required for macro documents is known as (A) Bibliographic Classification (B) Broad Classification (C) Depth Classification (D) Library Classification 40. The suitable reference source to known about the climate of Jaipur ( Rajasthan) is (A) Globe (B) Compass (C) Maps (D) Gazetteer Click here for Answer