Does an embedded system always need an RTOS?

Related questions

1. How are interrupts handled in RTOS?
2. What is normal operating system?
3. What is RTOS and its uses?
4. What is difference between hard and soft real time systems?
5. What is a general purpose operating system?

Tags

1. #automation
2. #require
3. #system
4. #smart
5. #appliances
6. #priorities
7. #aircraft
8. #embedded
9. #requires
10. #manage
11. #standard
12. #systems
13. #their
14. #management
15. #small