Multiple choice

Which of the following is a real-time system?

  1. Payroll processing

  2. Aircraft control

  3. Library

  4. Automobile system
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A real-time system is one that must respond to inputs within strict time constraints - missing a deadline can cause system failure. Aircraft control systems are classic examples because they must process sensor data and adjust controls within milliseconds to maintain flight safety. Payroll processing and library systems have no critical timing requirements.

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