Page 80 - TCS ICT Book 7
P. 80
The City School 2021-2022
3.1. What is a Computer Network
A network, in computing, is a group of two
or more devices that can communicate. In
practice, a network is comprised of several
different computer systems connected by
physical and/or wireless connections. The
scale can range from a single PC with some
basic peripherals to massive data centres
located around the World, to the Internet
itself. Regardless of scope, all networks allow computers and/or individuals to
share information and resources.
Computer networks serve many purposes, some of which include:
@
Communications such as Shared hardware such
file transfer, email, instant as printers and input
messaging, chat rooms, devices.
etc.
Shared data and information Shared software, which is
through the use of shared achieved by running applications
storage devices. on remote computers.
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