Library Operations And Services

Concept: A catalog card is used in traditional library catalog systems to record bibliographic details of books and other materials. These cards are organized systematically in catalog drawers for easy retrieval of information.
Step 1:Understanding catalog cards.
Catalog cards contain essential bibliographic information such as:

• Author name
• Title of the document
• Publication details
• Call number
• Subject headings

Step 2:Standard size of the card.
The internationally accepted standard size of a physical catalog card is
Step 3:Conclusion.
Therefore, the correct answer is Option (B).

Concept: Colon Classification (CC) is a faceted classification system used in library science. It organizes knowledge into different facets and combines them to represent complex subjects.
Step 1:Understanding Colon Classification.
The system uses facets such as Personality, Matter, Energy, Space, and Time (PMEST) to classify subjects.
Step 2:Developer of the system.
The Colon Classification system was developed by Dr. S. R. Ranganathan in 1933.
Step 3:Conclusion.
Hence, the correct answer is Option (B).

Concept: In library classification systems, notation refers to the symbols used to represent subjects. Different schemes use different types of notation such as pure numeric, pure alphabetic, or mixed notation.
Step 1:Understanding mixed notation.
Mixed notation uses a combination of letters and numbers to represent subjects in a classification system.
Step 2:Identifying the scheme using mixed notation.
The Library of Congress Classification (LCC) system uses a combination of alphabetic and numeric symbols, which makes it a mixed notation system. For example: QA76.73 represents a subject within computer science.
Step 3:Conclusion.
Since the Library of Congress Classification uses both letters and numbers, the correct answer is Option (D).