Section 4 – Computer
Networks
Setting up a small network
Lesson Objectives
• By the end of this lesson you will be able
to:
• Describe how to set up a small network
involving access to the internet,
• Understanding the need to set up the use
of a browser, email and an ISP
Recap
• Using the knowledge learnt from your last theory lesson.
Can you identify all the different types of network
hardware that we have covered?
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Hubs
Switches
Routers
Repeaters
Bridges
Network Cards
Servers
Networks
• So, we have learnt about what
networks are and what there
components are but we haven't had a
look at they all these pieces work
together.
• We will be using a flash animation for
the next task. This can be found in the
relevant area of the department share.
Task 1
• Using the network scenario sheet
create the example network and
answer the questions in your book.
Browser
• Short for Web browser, a software
application used to locate, retrieve
and also display content on the
World Wide Web, including Web
pages, images, video and other files.
Email
• Short for electronic mail, the transmission
of messages over communications
networks. The messages can be notes
entered from the keyboard or electronic
files stored on disk. Electronic-mail
systems others have gateways to other
computer systems, enabling users to send
electronic mail anywhere in the world.
Companies make extensive use of e-mail
because it is fast, flexible, and reliable.
ISP
• Short for Internet Service Provider, it
refers to a company that provides Internet
services, including personal and business
access to the Internet. For a monthly fee,
the service provider usually provides a
software package, username, password
and access phone number. Equipped with
a modem, you can then log on to the
Internet and browse the World Wide Web.
Task 2
• Complete the Exam Questions on
page 44 of the book.
• Use your notes, lesson PowerPoints &
the iGCSE website to help you
answer the questions.
Exam Question
• Jasvir and her family have three computers in their
home. She wants to connect the computers to create
a network and access the internet. List four
additional items she would need to set this system.
Your answers must include hardware and software.
1.
2.
3.
4.
Aftab and his family have three computers in
their home. He wants to connect the computers
to a network.
(a) Name an item of hardware used to connect the
computers to the internet
(b) Name an item of software used to send messages
over the internet
(c) Name an item of software used to access websites
(d) Apart from hardware and software, what else would
be needed to provide access to the Internet