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It helps in reducing the cost of hardware.
It helps to store information on one centralised location.
Reliability implies backing up of information. If a system crashes, then the information is
accessible on another workstation for future use.
It results in the reduction of installation cost.
User authentication process helps to secure the data.
NETWORK TERMINOLOGY
Server
A server is also called a host computer. It controls the access to the hardware and software on
the network. It provides a centralised storage area for the programs, data and information.
The computer that performs a specific task is called the dedicated server.
The computer that manages the printers and documents being printed is called the print
server.
The computer that stores and provides access to a database is called a database server.
The server that manages the network traffic is called a network server.
The computer that delivers the requested web pages to our computer is called a web server.
Client
It is a computer that depends on the server for all the resources. For example, a server might
store a network version of Excel program. Every client on the network can access the Excel
program from the server.
COMPONENTS REQUIRED FOR A NETWORK
The components needed for a network are:
NIC Ethernet cable Hub or Switch Modem Router
Network Interface Card (NIC): It is an expansion card that provides network access to
a computer. It allows the computer to connect to a network through a wired or wireless
medium.
Hub or Switch: A Hub or Switch is a hardware device that has various boxes to which the
computers, printers and other networking devices are connected. The main function of a hub
is to direct information around the network and facilitate communication between all the
connected devices.
Router: It is a networking device used to connect and facilitate transfer of information
between two networks. It is located at the gateway where two networks connect.
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