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Discovering Computers Chapter 2
Discovering Computers
& Microsoft Office 2010
Objectives Overview
Identify and briefly
describe various
broadband Internet
connections
Describe the types of
Internet access
providers
Explain the purpose of
a Web browser and
identify the
components of a Web
address
Describe how to use a
search engine to search
for information on the
Web
Describe the types of
Web sites
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
2See Page 43
for Detailed Objectives
Objectives Overview
Recognize how Web pages use
graphics, animation, audio, video, virtual
reality, and plug-ins
Identify the steps required for Web
publishing
Explain how e-mail, mailing lists, instant
messaging, chat rooms, VoIP, FTP, and
newsgroups and message boards work
Identify the rules of netiquette
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
3See Page 43
for Detailed Objectives
The Internet
• The Internet is a worldwide collection of networks
that links millions of businesses, government
agencies, educational institutions, and individuals
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
4Page 44
Figure 2-1
The Internet
• The Internet originated as ARPANET in September
1969 and had two main goals:
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
5Page 44
Allow scientists at
different physical
locations to share
information and work
together
Function even if part of
the network were
disabled or destroyed
by a disaster
The Internet
1969
ARPANET
becomes
functional
1984
ARPANET has
more than
1,000
individual
computers
linked as
hosts
1986 NSF
connects
NSFnet to
ARPANET and
becomes
known as the
Internet
1995 NSFNet
terminates
its network
on the
Internet and
resumes
status as
research
network
1996
Internet2 is
founded
Today More
than 550
million hosts
connect to
the Internet
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
6Page 44
The Internet
• Many home and small business users connect to
the Internet via high-speed broadband Internet
service
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
7Pages 45 - 46
Cable
Internet
service
DSL
Fiber to
the
Premises
(FTTP)
Fixed
wireless
Wi-Fi
Cellular
Radio
Network
Satellite
Internet
Service
The Internet
An access provider is a business
that provides individuals and
organizations access to the
Internet free or for a fee
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
8Page 46
The Internet
ISP (Internet
service provider)
Regional ISPs
provide Internet
access to a specific
geographical area
National ISPs
provide Internet
access in cities and
towns nationwide
Online service
provider (OSP)
Has many members-
only features
Popular OSPs include
AOL (America
Online) and MSN
(Microsoft Network)
Wireless Internet
service provider
(WISP)
Provides wireless
Internet access to
computers and
mobile devices
May require a
wireless modem
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
9Page 46
The Internet
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
10Page 47
Figure 2-2
The Internet
• An IP address is a number that uniquely identifies each
computer or device connected to the Internet
• A domain name is the text version of an IP address
– Top-level domain (TLD)
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
11Page 48
Figure 2-3
The Internet
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
12Page 48
Figure 2-4
The World Wide Web
• The World Wide Web, or Web, consists of a
worldwide collection of electronic documents
(Web pages)
• A Web site is a collection of related Web pages
and associated items
• A Web server is a computer that delivers
requested Web pages to your computer
• Web 2.0 refers to Web sites that provide a means
for users to interact
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
13Page 49
The World Wide Web
• A Web browser, or browser, allows users to
access Web pages and Web 2.0 programs
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
14Page 49
Internet
Explorer
Firefox Opera
Safari
Google
Chrome
The World Wide Web
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
15Page 50
Figure 2-5
The World Wide Web
• A home page is the first page that a Web site
displays
• Web pages provide links to other related Web
pages
– Surfing the Web
• Downloading is the process of receiving
information
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
16Pages 50 – 52
The World Wide Web
• A Web page has a unique address called a URL or
Web address
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
17Page 51
Figure 2-6
The World Wide Web
• Tabbed browsing allows you to open and view multiple
Web pages in a single Web browser window
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
18Page 52
Figure 2-7
The World Wide Web
• Two types of search tools are search engines and
subject directories
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
19Page 53
Search
engine
Finds information
related to a
specific topic
Subject
directory
Classifies Web
pages in an
organized set of
categories
The World Wide Web
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
20Page 53
Figure 2-8
The World Wide Web
• A search engine is helpful in locating items such
as:
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
21Page 53
Images Videos Audio News
Maps
People or
Businesses
Blogs
The World Wide Web
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
22Page 54
Figure 2-9
The World Wide Web
• There are thirteen types of Web sites
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
23Pages 55 - 57
Figure 2-11
Portal News Informational Business/Marketing
Blog Wiki Online Social
Network
Educational
The World Wide Web
Entertainment Advocacy Web
Application
Content
Aggregator
Personal
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
24Pages 57 - 58
Figure 2-11
The World Wide Web
• Information presented
on the Web must be
evaluated for accuracy
• No one oversees the
content of Web pages
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
25Page 58
Figure 2-12
The World Wide Web
• Multimedia refers to any application that
combines text with:
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
26Page 58
The World Wide Web
• A graphic is a digital
representation of
nontext information
• Graphic formats include
BMP, GIF, JPEG, PNG, an
d TIFF
• A thumbnail is a small
version of a larger
graphic
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
27Pages 58 - 59
Figure 2-13
The World Wide Web
• Animation is the appearance of motion created
by displaying a series of still images in sequence
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
28Page 59
The World Wide Web
• Audio includes music, speech, or any other sound
– Compressed to reduce file size
• You listen to audio on your computer using a player
• Streaming is the process of transferring data in a
continuous and even flow
• Video consists of full-motion images that are played
back at various speeds
• Virtual reality (VR) is the use of computers to
simulate a real or imagined environment that appears
as a three-dimensional space
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
29Pages 60 - 61
The World Wide Web
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
30Page 60
Figure 2-14
The World Wide Web
• A plug-in is a program that extends the capability
of a Web browser
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
31Page 61
Figure 2-15
The World Wide Web
• Web publishing is the development and
maintenance of Web pages
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
32Page 62
Plan a
Web site
Analyze
and
design a
Web site
Create a
Web site
Deploy a
Web site
Maintain
a Web
site
E-Commerce
• E-commerce is a business transaction that occurs
over an electronic network
– Anyone with access to a computer or mobile
device, an Internet connection, and a means to pay for
purchased goods or services can participate in e-
commerce
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
33Page 62
E-Commerce
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
34Pages 62 - 63
E-commerce
Business-
to-
consumer
(B2C)
Consumer-
to-
consumer
(C2C)
Business-
to-
business
(B2B)
E-Commerce
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
35Pages 62 - 63
Figure 2-16
Other Internet Services
• E-mail is the
transmission of
messages and files via a
computer network
• An e-mail program
allows you to
create, send, receive, fo
rward, store, print, and
delete e-mail messages
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
36Pages 63 – 64
Figure 2-17
Other Internet Services
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
37Page 65
Figure 2-18
Other Internet Services
• A mailing list is a group of e-mail names and addresses
given a single name
– Subscribing adds your e-mail name and address
– Unsubscribing removes your name
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
38Page 66
Other Internet Services
• Instant messaging (IM) is a real-time Internet
communications service
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
39Page 66
Figure 2-19
Other Internet Services
• A chat is a real-time
typed conversation that
takes place on a
computer
• A chat room is a
location on an Internet
server that permits
users to chat with each
other
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
40Page 67
Figure 2-20
Other Internet Services
• VoIP (Voice over IP)
enables users to speak
to other users over the
Internet
– Also called Internet
telephony
• FTP (File Transfer
Protocol) is permits file
uploading and
downloading
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
41Page 68
Figure 2-21
Other Internet Services
• A newsgroup is an
online area in which
users have written
discussions about a
particular subject
– Typically requires a
newsreader
• A message board is a
Web-based type of
discussion group
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
42Pages 68 - 69
Figure 2-22
Netiquette
• Netiquette is the code of acceptable Internet
behavior
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
43Page 69
Figure 2-23
Summary
History and structure of the Internet World Wide Web
Browsing, navigating, searching, Web
publishing, and
e-commerce
Other Internet services: e-mail, instant
messaging, chat rooms, VoIP, FTP, and
newsgroups and message boards
Rules of netiquette
Discovering Computers & Microsoft Office 2010:
Discovering Computers Chapter 2
44Page 70
Discovering Computers Chapter 2
Discovering Computers
& Microsoft Office 2010
Complete

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DTCC Chapter 2 The Internet and the WWW

  • 1. Discovering Computers Chapter 2 Discovering Computers & Microsoft Office 2010
  • 2. Objectives Overview Identify and briefly describe various broadband Internet connections Describe the types of Internet access providers Explain the purpose of a Web browser and identify the components of a Web address Describe how to use a search engine to search for information on the Web Describe the types of Web sites Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 2See Page 43 for Detailed Objectives
  • 3. Objectives Overview Recognize how Web pages use graphics, animation, audio, video, virtual reality, and plug-ins Identify the steps required for Web publishing Explain how e-mail, mailing lists, instant messaging, chat rooms, VoIP, FTP, and newsgroups and message boards work Identify the rules of netiquette Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 3See Page 43 for Detailed Objectives
  • 4. The Internet • The Internet is a worldwide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 4Page 44 Figure 2-1
  • 5. The Internet • The Internet originated as ARPANET in September 1969 and had two main goals: Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 5Page 44 Allow scientists at different physical locations to share information and work together Function even if part of the network were disabled or destroyed by a disaster
  • 6. The Internet 1969 ARPANET becomes functional 1984 ARPANET has more than 1,000 individual computers linked as hosts 1986 NSF connects NSFnet to ARPANET and becomes known as the Internet 1995 NSFNet terminates its network on the Internet and resumes status as research network 1996 Internet2 is founded Today More than 550 million hosts connect to the Internet Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 6Page 44
  • 7. The Internet • Many home and small business users connect to the Internet via high-speed broadband Internet service Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 7Pages 45 - 46 Cable Internet service DSL Fiber to the Premises (FTTP) Fixed wireless Wi-Fi Cellular Radio Network Satellite Internet Service
  • 8. The Internet An access provider is a business that provides individuals and organizations access to the Internet free or for a fee Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 8Page 46
  • 9. The Internet ISP (Internet service provider) Regional ISPs provide Internet access to a specific geographical area National ISPs provide Internet access in cities and towns nationwide Online service provider (OSP) Has many members- only features Popular OSPs include AOL (America Online) and MSN (Microsoft Network) Wireless Internet service provider (WISP) Provides wireless Internet access to computers and mobile devices May require a wireless modem Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 9Page 46
  • 10. The Internet Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 10Page 47 Figure 2-2
  • 11. The Internet • An IP address is a number that uniquely identifies each computer or device connected to the Internet • A domain name is the text version of an IP address – Top-level domain (TLD) Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 11Page 48 Figure 2-3
  • 12. The Internet Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 12Page 48 Figure 2-4
  • 13. The World Wide Web • The World Wide Web, or Web, consists of a worldwide collection of electronic documents (Web pages) • A Web site is a collection of related Web pages and associated items • A Web server is a computer that delivers requested Web pages to your computer • Web 2.0 refers to Web sites that provide a means for users to interact Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 13Page 49
  • 14. The World Wide Web • A Web browser, or browser, allows users to access Web pages and Web 2.0 programs Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 14Page 49 Internet Explorer Firefox Opera Safari Google Chrome
  • 15. The World Wide Web Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 15Page 50 Figure 2-5
  • 16. The World Wide Web • A home page is the first page that a Web site displays • Web pages provide links to other related Web pages – Surfing the Web • Downloading is the process of receiving information Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 16Pages 50 – 52
  • 17. The World Wide Web • A Web page has a unique address called a URL or Web address Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 17Page 51 Figure 2-6
  • 18. The World Wide Web • Tabbed browsing allows you to open and view multiple Web pages in a single Web browser window Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 18Page 52 Figure 2-7
  • 19. The World Wide Web • Two types of search tools are search engines and subject directories Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 19Page 53 Search engine Finds information related to a specific topic Subject directory Classifies Web pages in an organized set of categories
  • 20. The World Wide Web Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 20Page 53 Figure 2-8
  • 21. The World Wide Web • A search engine is helpful in locating items such as: Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 21Page 53 Images Videos Audio News Maps People or Businesses Blogs
  • 22. The World Wide Web Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 22Page 54 Figure 2-9
  • 23. The World Wide Web • There are thirteen types of Web sites Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 23Pages 55 - 57 Figure 2-11 Portal News Informational Business/Marketing Blog Wiki Online Social Network Educational
  • 24. The World Wide Web Entertainment Advocacy Web Application Content Aggregator Personal Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 24Pages 57 - 58 Figure 2-11
  • 25. The World Wide Web • Information presented on the Web must be evaluated for accuracy • No one oversees the content of Web pages Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 25Page 58 Figure 2-12
  • 26. The World Wide Web • Multimedia refers to any application that combines text with: Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 26Page 58
  • 27. The World Wide Web • A graphic is a digital representation of nontext information • Graphic formats include BMP, GIF, JPEG, PNG, an d TIFF • A thumbnail is a small version of a larger graphic Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 27Pages 58 - 59 Figure 2-13
  • 28. The World Wide Web • Animation is the appearance of motion created by displaying a series of still images in sequence Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 28Page 59
  • 29. The World Wide Web • Audio includes music, speech, or any other sound – Compressed to reduce file size • You listen to audio on your computer using a player • Streaming is the process of transferring data in a continuous and even flow • Video consists of full-motion images that are played back at various speeds • Virtual reality (VR) is the use of computers to simulate a real or imagined environment that appears as a three-dimensional space Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 29Pages 60 - 61
  • 30. The World Wide Web Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 30Page 60 Figure 2-14
  • 31. The World Wide Web • A plug-in is a program that extends the capability of a Web browser Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 31Page 61 Figure 2-15
  • 32. The World Wide Web • Web publishing is the development and maintenance of Web pages Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 32Page 62 Plan a Web site Analyze and design a Web site Create a Web site Deploy a Web site Maintain a Web site
  • 33. E-Commerce • E-commerce is a business transaction that occurs over an electronic network – Anyone with access to a computer or mobile device, an Internet connection, and a means to pay for purchased goods or services can participate in e- commerce Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 33Page 62
  • 34. E-Commerce Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 34Pages 62 - 63 E-commerce Business- to- consumer (B2C) Consumer- to- consumer (C2C) Business- to- business (B2B)
  • 35. E-Commerce Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 35Pages 62 - 63 Figure 2-16
  • 36. Other Internet Services • E-mail is the transmission of messages and files via a computer network • An e-mail program allows you to create, send, receive, fo rward, store, print, and delete e-mail messages Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 36Pages 63 – 64 Figure 2-17
  • 37. Other Internet Services Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 37Page 65 Figure 2-18
  • 38. Other Internet Services • A mailing list is a group of e-mail names and addresses given a single name – Subscribing adds your e-mail name and address – Unsubscribing removes your name Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 38Page 66
  • 39. Other Internet Services • Instant messaging (IM) is a real-time Internet communications service Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 39Page 66 Figure 2-19
  • 40. Other Internet Services • A chat is a real-time typed conversation that takes place on a computer • A chat room is a location on an Internet server that permits users to chat with each other Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 40Page 67 Figure 2-20
  • 41. Other Internet Services • VoIP (Voice over IP) enables users to speak to other users over the Internet – Also called Internet telephony • FTP (File Transfer Protocol) is permits file uploading and downloading Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 41Page 68 Figure 2-21
  • 42. Other Internet Services • A newsgroup is an online area in which users have written discussions about a particular subject – Typically requires a newsreader • A message board is a Web-based type of discussion group Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 42Pages 68 - 69 Figure 2-22
  • 43. Netiquette • Netiquette is the code of acceptable Internet behavior Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 43Page 69 Figure 2-23
  • 44. Summary History and structure of the Internet World Wide Web Browsing, navigating, searching, Web publishing, and e-commerce Other Internet services: e-mail, instant messaging, chat rooms, VoIP, FTP, and newsgroups and message boards Rules of netiquette Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 2 44Page 70
  • 45. Discovering Computers Chapter 2 Discovering Computers & Microsoft Office 2010 Complete