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4/12/13 WD2 SA
| Question | Answer |
|---|---|
| backbone | The highest level in the computer network hierarchy, to which smaller networks typically connect |
| media | any material that allows data to flow thought it or be stores on it: includes hard and floppys disks, wire, cable, and fiber optics |
| network operating system (NOS) | an operation system that manages networks resources |
| interoperability | the ability of one computer system to communicate with another; often refers to diff operating systems working together |
| kernel | The essential part of an operating system; provides basic services always resides in memory |
| shell | A command-based interface that allows a user to issue commands |
| x.org | a windowing system used UNIX and all popular operating systems |
| network interface card (NIC) | A circuit board within a computers central processing unit that serves as interface enabling the computer to connect to a network |