Nicholas ICT 11/12

1. What is an operating system and what is its purpose?
An operating system is a code that manages the hardware and software resources of the system. It's perpose is to controle numerours complex systems that would be difficult to run indevidually.
2. What operating system do most computers come preloaded with?
a member of the windows family.
3. Besides personal computers, what other devices have operating systems?
i phones, palm pilots and the likes
4. Do all computers have operating systems? Explain
no not all computers have operating systems for example a microwave does not because it doesn't need it.
5. What are the three most common operating systems? Are there other operating systems? Explain.
the windows family Mac os and linux because linux is a very high end hard to understand system that nasa and such agencies use and windows and OS come with the majority of home computers that you would buy.
6. What is one reason why operating systems are coded rather than physical circuits?
so for a minor change you wouldn't have to scrap the whole system.
7. What are the two main functions of an operating system?
It provides a stable, consistent way for applications to deal with the hardware and it manages the hardware and software resources of the system.
8. What are the four types of operating systems?

9. What are the first actions the computer takes when you power it on?

10. What is the bootstrap loader? What is its function?

11. How does the OS manage the processor?

12. What does an operating system do when two processes are multi-tasking?

13. What is thrashing?

14. What is virtual memory management?

15. What is a driver?

16. How can input/output capabilities of a system be enhanced?

17. How do application program interfaces make it easier for programmers?

18. What is a UI and GUI?

19. Why is Linux being open source significant?

20. What are some other devices that run on Linux?

21. What are 3 things you found interesting about operating systems that you did not know before?

22. What is a question that you still have about operating systems?