Real-Time Operating System –
These types of OSs serves the real-time systems. The time interval required to process and respond to inputs is very small. This time interval is called response time.
Real-time systems are used when there are time requirements are very strict like missile systems, air traffic control systems, robots etc.
https://www.geeksforgeeks.org/operating-system-types-operating-systems-awaiting-author/
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Imagined Risks are simply 'imaginary' risks that are created out of doubt/fear.
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