Question Detail
Question
Which of the following is an example of real-time processing?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Processing a credit card payment at a store requires instant response and is a form of online/real-time transaction. Payroll and scheduled backups are classic batch processes. Overnight simulations are also typically batch jobs.
Hint
This task requires an immediate response to verify funds and complete a transaction while the customer waits.