Class IX course curriculam

1. Basic Requirements for
Internet Connection
Class IX.
Kamini Singhal
PGT CS
KV Kausani

2. 1. Internet Connectivity
O It is a way or means of internet delivery. There are several ways of internet
delivery/ connectivity.
O Cable connectivity
O This is the use of cables to deliver the internet from the source to the user. Cable
internet is fast and reliable as it uses a broadband connection.
O Dial-up connectivity
O Dial-up is the cheapest and slowest means of internet delivery. More often than
not, dial-up delivers analog internet to landline phones for internet connection. It
uses modems to convert analog to digital signals to create internet connections in
computers, tablets, and laptops.
O Wireless/ fiber connectivity
O Fiber is a modern internet connection that uses wireless frequencies to deliver the
internet to the user.

3. 2. Internet service providers
O ISPs are other essential requirements for
the internet connection. They are the
source of the internet and its services. For
a convenient internet connection, there
must be an internet service provider in
that specific area.
O Different service providers use different
connectivity. Internet connectivity used
determines the speed of internet delivery.
O For example: BSNL

4. O The following diagram shows the
accessing internet using modem:

5. 3. Connection devices
O Connection devices like laptops,
smartphones, desktops, watches, and
tablets are also basic requirements for the
internet connection.
O These devices are used to access the
internet connection.

6. 4. Hardware
O Some computer hardware such as modems and routers are basic requirements for
the internet connection.
O Modem
O Modems are the most preferred hardware during an internet connection. These
devices have slots to insert your telephone line. Its major purpose is to pass an
internet network from your telephone line to your computer.
O It does this by converting your telephone line analog signals to computer digital
signals. Note that the reliability and convenience of modem connection depend
on the types of computer, speed, and type of the modem.
O Router
O A router is another essential hardware to the internet connection. Unlike modem,
this device allows the user to connect several devices to a single internet at the
same time, creating a WIFI. Through the use of a router, you can invent ways on
how to get WIFI at home without cable.
O Network interface card
O This is another crucial hardware required during an internet connection. It can
either be wired or wireless.

7. Use of Router

8. 5. Software
O A connection device cannot operate
successfully without software.
O This is computer software that enables the
transmission of data from one internet user to
the other.
O It also guarantees the accuracy, privacy, and
safety of data flowing in and out of a
connection device/ computer.

9. Role of ISP

10. Web Browser
O Web browser
The web browser is also a crucial
requirement in internet connection. This
software helps the user to use the internet
to browse and search for needed
information from a certain site.
www. google.com
www.yahoo.com