Describe hard and soft real time operating system with example.
1 Answer
  • A hard real-time system (also known as an immediate real-time system) is hardware or software that must operate within the confines of a stringent deadline.
  • The application may be considered to have failed if it does not complete its function within the allotted time span.
  • The chief design goal is not high throughput, but rather a guarantee of a soft or hard performance category.
  • An RTOS that can usually or generally meet a deadline is a soft real-time OS, but if it can meet a deadline deterministically it is a hard real-time OS
  • Hard time real operating system example – defence systems like missiles
  • Soft time real operating system example- audio and video systems
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