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Library Sciences QUESTION #1567
Question 1
In IT-based library management, an 'OPAC' (Online Public Access Catalogue) represents an advancement over the traditional card catalogue primarily because it:
  • Displays books in their physical shelf order only
  • Allows users to search the collection by multiple access points simultaneously and view real-time availability✔️
  • Is maintained exclusively by the library director
  • Only works within the library building on dedicated terminals
Correct Answer Explanation
The OPAC replaced card catalogues by enabling multi-point simultaneous searching (by author, title, subject, keyword, ISBN, etc.) and displaying real-time item availability — functions impossible with static, single-entry card catalogues. Modern OPACs are also accessible remotely via the internet.