Page 118 - Trackpad_ipro 4.1_Class8
P. 118

Website

                  A website is a collection of Web pages that are interlinked with each other. A website may
                  contain thousands of Web pages.
                  Web Portal

                  A website designed to provide a single point of access to a wide range of information and

                  services is known as 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 provide only limited services.
                  Hypertext

                  The text that has the special feature of connecting one Web page to another is called hypertext.
                  Link

                  A link can be defined as a Web address that is used to create 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 tool 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 on 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.
                  Bandwidth is generally measured in bits per second (bps) or bytes per second (Bps), kilobytes

                  per second (Kbps), or 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 such as Network Interface Card (NIC), Hub,
                  Switch, Router, Modem, and Network Cable. Let us discuss these in detail.
                  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
                                              It 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.



                   116     iPro (Ver. 4.1)-VIII
   113   114   115   116   117   118   119   120   121   122   123