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On-line transaction processing is used when i) it is required to answer random queries ii) it is required to ensure correct processing iii) all files are available on-line iv) all files are stored using hard disk

Correct Answer: i, iii

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Business Information Systems MCQ: On-line transaction processing is used when i) it is required to answer random queries ii) it is required to ensure correct processing iii) all files are available on-line iv) all files are stored using hard disk | Extra Education