Discovering Computers 2016
Tools, Apps, Devices, and the Impact of Technology
Chapter 2
Connecting and
Communicating
Online
Objectives Overview
Describe the purpose
Describe ways to
of an IP address and
compose effective
its relationship to a
search text
domain name
See Page 56 © 2016 Cengage Learning®. May not be scanned, copied
2
for Detailed Objectives or duplicated, or posted to a publicly accessible website,
Objectives Overview
Explain how email,
instant messaging, chat
Describe uses of various
rooms, online
types of websites
discussions, VoIP, and
FTP work
Identify the rules of
netiquette
See Page 56 © 2016 Cengage Learning®. May not be scanned, copied
3
for Detailed Objectives or duplicated, or posted to a publicly accessible website,
Connecting to the Internet
Page 58 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
4
Figure 2-2 or posted to a publicly accessible website, in whole or in part.
Connecting to the Internet
Wired Wireless
• Cable Internet • Wi-Fi (wireless
service fidelity)
• DSL (digital • Mobile broadband
subscriber line) • Fixed wireless
• Fiber to the • Satellite Internet
Premises (FTTP) Service
Page 59 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
5
or posted to a publicly accessible website, in whole or in part.
Connecting to the Internet
• A hot spot is a wireless network that provides Internet
connections to mobile computers and devices
Pages 59 - 60 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
6
Figure 2-3 or posted to a publicly accessible website, in whole or in part.
Connecting to the Internet
• An IP address is a sequence of numbers that uniquely
identifies each computer or device connected to the
Internet
• A domain name is a text-based name that corresponds
to the IP address
• A DNS server translates the domain name into its
associated IP address
Pages 62 - 64 © 2016 Cengage Learning®. May not be scanned, copied
7
or duplicated, or posted to a publicly accessible website,
Figure 2-5
Connecting to the Internet
Page 63 © 2016 Cengage Learning®. May not be scanned, copied
8
or duplicated, or posted to a publicly accessible website,
Table 2-3
The World Wide Web
• A webpage has a unique address, called a web
address or URL
Page 68 © 2016 Cengage Learning®. May not be scanned, copied
9
or duplicated, or posted to a publicly accessible website,
Figure 2-8
Types of Websites
• A web search engine is software that finds
websites, webpages, images, videos, news, maps,
and other information related to a specific topic
• A subject directory classifies webpages in an
organized set of categories, such as sports or
shopping, and related subcategories
© 2016 Cengage Learning®. May not be scanned, copied
Pages 71 - 72 10
or duplicated, or posted to a publicly accessible website,
Types of Websites
• Search operators can help to refine your search
Page 72 © 2016 Cengage Learning®. May not be scanned, copied
11
or duplicated, or posted to a publicly accessible website,
Table 2-4
Types of Websites
• There are several types of websites
Online social Informational
Search engine
network and research
News, weather,
Media sharing Bookmarking sports, and other
mass media
© 2016 Cengage Learning®. May not be scanned, copied
Pages 71 – 76 12
or duplicated, or posted to a publicly accessible website,
Types of Websites
Business,
Educational governmental, and Blogs
organizational
Wiki and
Health and fitness Science
collaboration
Pages 77 – 79 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
13
or posted to a publicly accessible website, in whole or in part.
Types of Websites
Banking and Travel and
Entertainment
finance tourism
Retail and
Mapping
auctions
Pages 79 – 82 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
14
or posted to a publicly accessible website, in whole or in part.
Types of Websites
Careers and
E-commerce Portals
employment
Website
Content
creation and
aggregation
management
Pages 82 – 84 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
15
or posted to a publicly accessible website, in whole or in part.
Other Internet Services
• Email is the
transmission of
messages and files via a
computer network
• An email program
allows you to create,
send, receive, forward,
store, print, and delete
email messages
Page 88 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
16
or posted to a publicly accessible website, in whole or in part.
Other Internet Services
• Instant messaging services notify you when one
or more of your established contacts are online
and then allows you to exchange messages or files
or join a private chat room with them
Page 90 © 2016 Cengage Learning®. May not be scanned, copied
17
or duplicated, or posted to a publicly accessible website,
Figure 2-28
Other Internet Services
• A chat is a real-time typed
conversation that takes
place on a computer or
mobile device with many
other online users
• A chat room is a website
or application that
permits users to chat with
others who are online at
the same time
Page 91 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
18
Figure 2-29 or posted to a publicly accessible website, in whole or in part.
Other Internet Services
• An online discussion is an online area in which
users have written discussions about a particular
subject
Page 91 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
19
or posted to a publicly accessible website, in whole or in part.
Figure 2-30
Other Internet Services
• VoIP (Voice over IP) enables users to speak to other
users via their Internet connection
Page 92 © 2016 Cengage Learning®. May not be scanned, copied or duplicated,
20
or posted to a publicly accessible website, in whole or in part.
Other Internet Services
• FTP (File Transfer Protocol) is an Internet standard
that permits file uploading and downloading to
and from other computers on the Internet
• Many operating systems include FTP capabilities
• An FTP server is a computer that allows users to
upload and/or download files using FTP
© 2016 Cengage Learning®. May not be scanned, copied
Page 92 21
or duplicated, or posted to a publicly accessible website,
Netiquette
• Netiquette is the code of acceptable Internet
behavior
Page 94 © 2016 Cengage Learning®. May not be scanned, copied
22
or duplicated, or posted to a publicly accessible website,
Figure 2-31
Chapter Summary
Various types
The web of websites
and media
Other services
available on Netiquette
the Internet
© 2016 Cengage Learning®. May not be scanned, copied
Page 95 23
or duplicated, or posted to a publicly accessible website,
