Operating System question. Please answer all. these are all short question and I need all answer. Should be all 1 line.

OS providing abstraction

questions 1. What are the correct abstractions? 2. How much of hardware should be exposed?

OS providing resource management

questions

1. What are the correct mechanisms?

2. What are the correct policies?

3. What is used to virtualize the CPU?

4. What is a PID?

5. What do we mean by multi-tasking?

6. Does a CPU have storage elements?

7. what is the difference between real memory cells and the address space of a program.

8. Where is the state of a process stored when the process is not executing?