Page 20 - TP_Play_V2.1_class8
P. 20
ADVANTAGES OF COMPUTER NETWORK
The advantages of computer network are:
The information can be easily shared by the people.
It helps in reducing the cost of hardware.
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.
Reduction in installation cost.
User authentication process to secure the data.
NETWORK TERMINOLOGY
Network terminology encompasses the essential concepts and technologies that allow devices
to connect, communicate, and share data. These terms include key elements like servers, clients,
etc., which together enable efficient data transfer.
Server
A server is also called as 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 server that performs a specific task is called a dedicated server.
The server that manages the printers and documents being printed is called the print server.
The server 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 server that delivers the requested web pages to our computer is called a web server.
Client
It is a computer which depends on the server for specific resources. For example, a server might
store a network version of an 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
The descriptions of these devices are as follows:
Network Interface Card (NIC): It is an expansion card that enables a computer to access
a network. It allows the computer to connect to a network through a wired or wireless
medium. It is also known as Network adapter.
18 Play (Ver. 2.1)-VIII

