Transcript Using the Internet

Standard 1.02
Investigate uses of the Internet and
World Wide Web
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Early origin in 1960s
Closely tied to a networking project started by a
governmental division called the Advanced Research
Projects Agency.
Original name: ARPANET
Created so that scientists were able to share
information on military and scientific research.
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Connecting to the internet
 What is needed to connect to the internet?
 Computer, modem, ISP
 What are the different types of connections?
 Cables, wireless, 3G
World Wide Web
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The software program that you use to retrieve
information from the World Wide Web (WWW)
and to display them in a readable format.
Web browsers
HTML- (Hypertext Markup Language) is the
language used to create documents for the
WWW.
Examples:
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Internet Explorer
Safari
Firefox
Google Chrome
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Title bar
Menu bar
Scroll bar
Address bar
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Tool bar
Status bar
Go button
Access indicator
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The bar on
top of the
window that
contains the
name of the
document.
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A horizontal
menu that
appears on
top of a
window.
Provides a
selection of
options
related to the
Web page.
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Icons for
single-click
access to
most
commonly
used menu
commands.
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Contains the
URL, or
address, of the
active Web
page; also
where you type
the location for
the Web page
you want to
visit.
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Connects
you to
address
displayed
in the
Address
bar.
Document
Window
displays the
active Web
Page
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Located at
the bottom of
the browser;
shows the
progress of
Web page
transactions.
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A small picture
in the upper
right corner of
the browser;
when
animated, it
means your
browser is
accessing data
from a remote
computer.
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Vertical and
horizontal
scroll bars;
lets you scroll
vertically and
horizontally if
the Web page
is too long or
too wide to fit
within one
screen.
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HTML
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Hypertext Markup Language
 A series of tags that are integrated into text documents and
describes how the text should be formatted when a Web
browser displays it on the screen.
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HTTP
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Hypertext Transfer Protocol
 Standard that defines how messages are formatted and
transmitted.
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HTTPS
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Hypertext Transfer Protocol Secure
 Formats messages and transmits them securely
 Secure Websites
 www.bankofamerica.com
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A tool that lets you find Web pages that match a
particular word or phrase.
Examples of search engines:
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Bing
Google
Ask
Yahoo
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Search expression
Index
Spiders or bots
Meta tags
Directory
Keyword search
Hyperlink
• Two basic tools used to find information:
•Search engines
•Used to search for keywords.
•Subject directories
•Used to find specialized topics.
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Keyword Search
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Multimedia Search Engines
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Used to find graphics, video clips, animation, and MP3
music files.
Meta Search Engines
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Uses keywords to perform search
Search several major search engines at one time.
Dogpile
Subject Directories
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Organized by subject categories and displayed in a series of
menus.
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Phrase Searching
Search Engine Math
Boolean Operators
Wildcard Searching
Title Searching
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A phrase is entered using double quotation marks
and only matches those that appear adjacent to
each other and in the order in which you specify.
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Example: “baseball cards”
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Symbols used in formulas to filter out unwanted
listings.
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Use the plus symbol (+) before words that must appear.
 Also known as an inclusion operator.
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Use the minus symbol (-) before words that you do not
want to appear.
 Also known as an exclusion operator.
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Boolean logic consists of three logical operators:
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AND
NOT
OR
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The * symbol, called an asterisk, is considered a
wildcard character.
Used if you don’t know the spelling of a word
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Example: N*Ryan to search for Nolan Ryan
Used to search plurals or variations of words.
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Searching the
title of a web
page.
When a web
page author
creates a
Web page,
the Web page
generally
contains a
HTML title.