cpe151

2. An excessive amount of page swapping between main memory and secondary storage.
7. A fast disk large enough to accommodate copies of all memory images for all users.
8. It allows both parent and child processes to initially share the same pages in memory.
10. It never swaps a page into memory unless page will be needed.
11. It is a mechanism for processes to communicate and to synchonoze their actions.
13. A java mechanism that allows Java program on one machine to invoke a method on a remote object.
15. It is the act of allowing only one process to have access to a dedicated resource.
16. Allocated memory may be slightly larger that requested memory.
17. It happens when several processes work together to complete a common task.
18. It is a collection of instructions or operations that performs single logical function.
20. It is the threshold parameter to increasing paging in Solaris computer.
22. A type of scheduling policy where interrupts processing of a job and transfers the CPU to another job.
23. a type of communication where messages are directed and received from mailboxes.
24. It is the queue of messages attached to the link.
25. Pages are brought into memory only as they are needed, allowing jobs to be run with less main memory.

1. The system find some page in memory, but not really in use, swap it out.
3. Signals are used in UNIX systems to notify a process that a particular event has occurred.
4. Set of pages residing in memory that can be accessed directly without incurring a page fault.
5. When a C PU switches to another process, the system must save the state of the old process and load the saved state for the new process via a _________.
6. It is a part of a program that must complete execution before other processes can have access to the resources being used.
9. It contains information associated with each process such as process state, program counter, and many others.
12. It occurs when there are few resources to process a job.
14. Cooperating processes need ________ that provides send and receive messages.
19. It creates a number of threads in a pool where they wait work.
21. It is also known as logical address.