Operating System

4. components that will run all the time when a computer is turned on.
5. the system by which people (users) interact with a machine.
6. the near-minimum amount of software that can provide the mechanisms needed to implement an operating system .
7. Sharing of a computing resource among many users
9. Allowing communication with the operating system via a control language
10. Allowing files to be recorded in a tree structure.
11. It temporarily stores input or output data in an attempt to better match the speeds of two devices
12. copying information into faster storage system main memory can be viewed as a last cache for secondary storage.
15. 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.

1. denoting software for which the original source code is made freely available and may be redistributed and modified.
2. a traditional model of a software program, which is built as a unified unit that is self-contained and independent from other applications.
3. makes use of multiple CPU's to complete a specific task.
8. When two or more programs run at the same time
13. executes multiple programs at a time.
14. an interface between a program running in user space and the operating system (OS).