Question:medium

Control Information, Number and Codes have the following : (A) Field Number (B) ISBN (C) ISSN (D) DDC Choose the correct answer from the options given below:

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Think of "Control Information" in a catalog record as the data that computers use for sorting, linking, and identifying, rather than the data humans read for description. ISBN, ISSN, and DDC numbers all fit this role.
Updated On: Jan 17, 2026
  • (A), (B) and (D) only
  • (A), (C) and (D) only
  • (A), (B), (C) and (D)
  • (B), (C) and (D) only
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The Correct Option is C

Solution and Explanation

Step 1: Examine the category "Control Information, Number and Codes." In bibliographic formats like MARC, this refers to data fields containing unique identifiers, classification numbers, and coded information for record processing and management. These fields differ from descriptive fields like title and author.

Step 2: Assess each option based on the definition above. \[\begin{array}{rl} \bullet & \text{(A) Field Number: A key component of control information, identifying specific data fields (e.g., 001 for Control Number, 020 for ISBN).} \\ \bullet & \text{(B) ISBN (International Standard Book Number): A unique numeric identifier for books, serving as a control number.} \\ \bullet & \text{(C) ISSN (International Standard Serial Number): A unique identifier for serials, and a standard control number.} \\ \bullet & \text{(D) DDC (Dewey Decimal Classification) number: A classification code for organizing library materials by subject, representing coded information.} \\ \end{array}\]

Step 3: Determine the answer. Field Number, ISBN, ISSN, and DDC are all types of control information, numbers, or codes used in bibliographic records. Thus, all options are correct.

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