discovering computers fundamentals, 2011 · pdf filediscovering computers and microsoft office...
TRANSCRIPT
Discovering Computers
Fundamentals,
2011 Edition
Living in a Digital World
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 and Microsoft Office 2007Chapter 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
3See Page 43
for Detailed ObjectivesDiscovering Computers and Microsoft Office 2007
Chapter 2
The Internet• The _____________is a worldwide collection of
networks that links millions of businesses, government agencies, educational institutions, and individuals
4Page 44
Figure 2-1Discovering Computers and Microsoft Office 2007
Chapter 2
The Internet
• The Internet originated as ______________in September 1969 and had two main goals:
5Page 44
Allow ______________at different physical locations to share
information and work together
Function even if part of the network were
disabled or destroyed by a disaster
Discovering Computers and Microsoft Office 2007Chapter 2
The Internet
1969ARPANET becomes
functional
1984ARPANET has
more than 1,000
individual computers linked as
hosts
1986 NSF connects NSFnet to
ARPANET and becomes
known as the Internet
1995 NSFNetterminates its network
on the Internet and
resumes status as research network
1996Internet2 is
founded
Today More than
___________ million hosts connect to
the Internet
6Page 44 Discovering Computers and Microsoft Office 2007Chapter 2
The Internet
• Many home and small business users connect to the Internet via high-speed _________________Internet service
7Pages 45 - 46
Cable Internet service
________
Fiber to the
Premises (FTTP)
Fixed wireless
________Cellular Radio
Network
Satellite Internet Service
Discovering Computers and Microsoft Office 2007Chapter 2
The Internet
An _____________
____________________is a business that provides individuals and organizations access to the Internet free or for a fee
8Page 46
Click to view Web Link,click Chapter 2, Click Web Link from left navigation, then click Wireless Modemsbelow Chapter 2
Discovering Computers and Microsoft Office 2007Chapter 2
The Internet
______(Internet service provider)
Regional ISPs provide Internet
access to a specific geographical area
National ISPs provide Internet
access in cities and towns nationwide
_________service provider (OSP)
Has many members-only features
Popular OSPs include AOL (America
Online) and MSN (Microsoft Network)
_____________
Internet service provider (WISP)
Provides wireless Internet access to
computers and mobile devices
May require a wireless modem
9Page 46 Discovering Computers and Microsoft Office 2007Chapter 2
The Internet
10Page 47
Figure 2-2Discovering Computers and Microsoft Office 2007
Chapter 2
The Internet
• An ____________________is a number that uniquely identifies each computer or device connected to the Internet
• A __________________is the text version of an IP address
– Top-level domain (TLD)
11Page 48
Figure 2-3Discovering Computers and Microsoft Office 2007
Chapter 2
The Internet
12Page 48
Figure 2-4Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web
• The World Wide Web, or ______, consists of a worldwide collection of electronic documents (Web pages)
• A Web site is a collection of ___________Web pages and associated items
• A Web server is a _________________that delivers requested Web pages to your computer
• Web 2.0 refers to Web sites that provide a means for users to ___________________
13Page 49 Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
• A Web browser, or __________________, allows users to access Web pages and Web 2.0 programs
14Page 49
Internet Explorer
Opera
SafariGoogle Chrome
Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
15Page 50
Figure 2-5Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web
• A ___________page is the first page that a Web site displays
• Web pages provide ____________to other related Web pages
– Surfing the Web
• ___________________________is the process of receiving information
16Pages 50 – 52 Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
• A Web page has a unique address called a _____________or Web address
17Page 51
Figure 2-6Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web
• _______________________________allows you to open and view multiple Web pages in a single Web browser window
18Page 52
Figure 2-7
Click to view Web Link,click Chapter 2, Click Web Link from left navigation, then click Tabbed Browsingbelow Chapter 2
Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
• Two types of search tools are search engines and subject directories
19Page 53
Finds information related to a
specific topic
Classifies Web pages in an
organized set of categories
Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
20Page 53
Figure 2-8Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web
• A search engine is helpful in locating items such as:
21Page 54
Images Videos Audio
People or Businesses
Blogs
Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
22Page 54
Figure 2-9Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web• There are thirteen types of Web sites
23Pages 55 - 57
Figure 2-11
News Informational Business/Marketing
Blog Online Social Network
Educational
Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
Entertainment Advocacy Web Application
Content Aggregator
24Pages 57 - 58
Figure 2-11Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web
• Information presented on the Web must be evaluated for _______________
• No one oversees the content of Web pages
25Page 58
Figure 2-12Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web
• _______________________refers to any application that combines text with:
26Page 58 Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
• A _______________is a digital representation of nontext information
• Graphic formats include BMP, GIF, JPEG, PNG, and TIFF
• A _________________ is a small version of a larger graphic
27Pages 58 - 59
Figure 2-13Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web
• ___________________________ is the appearance of motion created by displaying a series of still images in sequence
28Page 59 Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
• ____________includes music, speech, or any other sound– Compressed to reduce file size
• You listen to audio on your computer using a player• _____________________ 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• ______________________________ (VR) is the use
of computers to simulate a real or imagined environment that appears as a three-dimensional space
29Pages 60 - 61 Discovering Computers and Microsoft Office 2007Chapter 2
The World Wide Web
30Page 60
Figure 2-14Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web• A _________________is a program that extends
the capability of a Web browser
31Page 61
Figure 2-15Discovering Computers and Microsoft Office 2007
Chapter 2
The World Wide Web• ______________________________is the
development and maintenance of Web pages
32Page 62
Plan a Web site
Analyze and
design a Web site
Create a Web site
Deploy a Web site
Maintain a Web
site
Click to view Web Link,click Chapter 2, Click Web Link from left navigation, then click Web Page Authoring Software below Chapter 2
Discovering Computers and Microsoft Office 2007Chapter 2
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
33Page 62 Discovering Computers and Microsoft Office 2007Chapter 2
E-Commerce
34Pages 62 - 63
E-commerce
(B2C)
(C2C)(B2B)
Discovering Computers and Microsoft Office 2007Chapter 2
E-Commerce
35Pages 62 - 63
Figure 2-16
Click to view Web Link,click Chapter 2, Click Web Link from left navigation, then click Google Checkout Software below Chapter 2
Discovering Computers and Microsoft Office 2007Chapter 2
Other Internet Services
• E-mail is the transmission of messages and files via a computer network
• An e-mail programallows you to create, send, receive, forward, store, print, and delete e-mail messages
36Pages 63 – 64
Figure 2-17Discovering Computers and Microsoft Office 2007
Chapter 2
Other Internet Services
37Page 65
Figure 2-18Discovering Computers and Microsoft Office 2007
Chapter 2
Other Internet Services
• A mailing list is a group of e-mail names and addresses given a single name
– ____________________________ adds your e-mail name and address
– Unsubscribing removes your name
38Page 66
Click to view Web Link,click Chapter 2, Click Web Link from left navigation, then click E-Mail below Chapter 2
Discovering Computers and Microsoft Office 2007Chapter 2
Other Internet Services• Instant messaging (IM) is a
___________________ Internet communications service
39Page 66
Figure 2-19Discovering Computers and Microsoft Office 2007
Chapter 2
Other Internet Services
• A __________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
40Page 67
Figure 2-20
Click to view Web Link,click Chapter 2, Click Web Link from left navigation, then click Chat Rooms below Chapter 2
Discovering Computers and Microsoft Office 2007Chapter 2
Other Internet Services• VoIP (Voice over IP)
enables users to speak to other users over the Internet
– Also called Internet telephony
• ______________(File Transfer Protocol) is permits file _______________and downloading
41Page 68
Figure 2-21Discovering Computers and Microsoft Office 2007
Chapter 2
Other Internet Services• A _________________ 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
42Pages 68 - 69
Figure 2-22Discovering Computers and Microsoft Office 2007
Chapter 2
Netiquette• _________________________is the code of
acceptable Internet behavior
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
44Page 70 Discovering Computers and Microsoft Office 2007Chapter 2