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A university’s student information system records each student’s major in a single database table. The registrar updates a student’s major from “Biology” to “Chemistry” on 1 September. On 5 September, the library system still shows the student’s old major because it reads from a separate, unlinked database that was last updated on 31 August. Which dimension of information quality is most directly violated, and what is the likely consequence for the library’s decision-making?

1. AAccuracy; the library may send the student incorrect borrowing privileges.
2. BTimeliness; the library may make decisions based on outdated major information, such as sending notices to the wrong department.
3. CCompleteness; the library database is missing the student’s updated major field.
4. DConsistency; the library and registrar databases store different values for the same attribute.