Operating System

2. copying information into faster storage system main memory can be viewed as a last cache for secondary storage.
5. Designed to overcome the issue of monolithic architecture.
6. makes use of multiple CPU's to complete a specific task.
8. It temporarily stores input or output data in an attempt to better match the speeds of two devices
11. Allowing communication with the operating system via a control language
15. When two or more programs run at the same time
17. receive messages, transfer status information
18. close, write, reposition, get file attributes
19. components that will run all the time when a computer is turned on.
20. a traditional model of a software program, which is built as a unified unit that is self-contained and independent from other applications.

1. the near-minimum amount of software that can provide the mechanisms needed to implement an operating system .
3. executes multiple programs at a time.
4. release device, read, write, reposition
7. Sharing of a computing resource among many users
9. Allowing files to be recorded in a tree structure.
10. denoting software for which the original source code is made freely available and may be redistributed and modified.
11. an interface between a program running in user space and the operating system (OS).
12. end, abort, set process attributes, wait for time, wait event
13. receive messages, transfer status information
14. a process of transferring data by placing it in a temporary working area where another program may access it for processing at a later point in time.
16. the system by which people (users) interact with a machine.