

Computer networks" redirects here. For the periodical, see Computer Networks (journal).
Operating systems
Common features
Process management
Interrupts
Memory management
Virtual file system
Device drivers
Networking
Security
Graphical user interfaces
v • d • e
A computer network, often simply referred to as a network, is a collection of computers and devices connected by communications channels that facilitates communications among users and allows users to share resources with other users. Networks may be classified according to a wide variety of characteristics. This article provides a general overview of types and categories and also presents the basic components of a network.
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