PRC-3 · Chapter 5 · Question 52 of 74
A bank customer withdraws Rs. 10,000 from an ATM. The bank's central database is updated immediately, preventing the customer from overdrawing at another ATM a minute later. What data processing method is this?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Real-time (Online) processing
Explanation
Real-time processing updates the central database instantly as the transaction occurs, which is absolutely critical for systems like banking and airline reservations.
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