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Website
A website is a collection of web pages which are interlinked to each other. A website may contains
thousands of web pages.
Web Portal
A website that is specifically designed to provide a single point of access for information is called
a web portal. Web portals are also known simply as portals. The major difference between a
website and a web portal is that a portal works as a gateway to the WWW and provides several
services. On the other hand, a website may provides only some limited services.
Hypertext
The text that has a special feature of connecting one web page to another is called a hypertext.
Link
A link can be defined as a web address that is used to make connectivity between web pages.
Hyperlink
A hyperlink is simply a part of the web page that is linked to a URL. A hyperlink can appear as text,
an image, or a navigational elements such as a button or an arrow. When you click on a hyperlink,
you will jump to the URL specified by the hyperlink. Hyperlinked text usually looks different from
normal text in a web page. It is often underlined, but can be formatted in a number of ways.
Bandwidth
The capability of a transmission medium to transmit the maximum amount of data from one
computer to another over a computer network in a given amount of time is called bandwidth.
A bandwidth is generally in bits per second (bps) or Bytes per second (Bps), Kilobytes per second
(KBps) and Megabytes per second (MBps). There can be various types of bandwidths which are
network bandwidth, data bandwidth, or digital bandwidth.
DEVICES REQUIRED FOR A NETWORK
There are various types of devices and components required for a network, such as Network
Interface Card (NIC), Hub, Switch, Router, Modem and Network Cable. Let us discuss about these
in detail.
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.
Hub or Switch NIC
It is hardware device that has various ports 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
Hub or Switch
facilitate communication between all the connected devices.
10 Plus (Ver. 3.2)-VIII

