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___ may need to be retrieved from different blocks in the files, so I/O operations may be required

24. ___ may need to be retrieved from different blocks in the files, so I/O operations may be required.

1. Files
2. Records
3. Databases
4. Tables

Answer: B) Records

Explanation:

Records may need to be retrieved from different blocks in the files, so I/O operations may be required.