USING THE INTERNETStandard 1.02
Investigate uses of the Internet and World Wide Web
Background of the Internet
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.
The Internet
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
What is a browser?
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: Internet Explorer Safari Firefox Google Chrome
Title bar Menu bar Scroll bar Address bar
Tool bar Status bar Go button Access indicator
Title bar
The bar on top of the window that contains the name of the document.
Menu Bar• A
horizontal menu that appears on top of a window.
Provides a selection of options related to the Web page.
Tool bar
Icons for single-click access to most commonly used menu commands.
Address bar
Contains the URL, or address, of the active Web page; also where you type the location for the Web page you want to visit.
Go button
Connects you to address displayed in the Address bar. Document Window displays the active Web Page
Status bar
Located at the bottom of the browser; shows the progress of Web page transactions.
Access Indicator
A small picture in the upper right corner of the browser; when animated, it means your browser is accessing data from a remote computer.
Scroll bars
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.
Web Protocols HTML
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.
HTTP Hypertext Transfer Protocol
Standard that defines how messages are formatted and transmitted.
HTTPS Hypertext Transfer Protocol Secure
Formats messages and transmits them securely Secure Websites
www.bankofamerica.com
What is a search engine?
A tool that lets you find Web pages that match a particular word or phrase.
Examples of search engines: Bing Google Ask Yahoo
Search Engine Terminology
Search expression Index Spiders or bots Meta tags Directory Keyword search Hyperlink
Research on the Internet
• Two basic tools used to find information:• Search engines
• Used to search for keywords.• Subject directories
• Used to find specialized topics.
Types of Search Engines Keyword Search
Uses keywords to perform search Multimedia Search Engines
Used to find graphics, video clips, animation, and MP3 music files.
Meta Search Engines Search several major search engines at one
time. Dogpile
Subject Directories Organized by subject categories and displayed
in a series of menus.
Tools and Techniques
Phrase Searching Search Engine Math Boolean Operators Wildcard Searching Title Searching
Phrase Searching
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. Example: “baseball cards”
Search Engine Math Symbols used in formulas to filter out
unwanted listings. Use the plus symbol (+) before words that
must appear. Also known as an inclusion operator.
Use the minus symbol (-) before words that you do not want to appear. Also known as an exclusion operator.
Boolean Operators
Boolean logic consists of three logical operators: AND NOT OR
Wildcard Searching The * symbol, called an asterisk, is
considered a wildcard character. Used if you don’t know the spelling of a
word Example: N*Ryan to search for Nolan Ryan
Used to search plurals or variations of words.
Title Searching
Searching the title of a web page.
When a web page author creates a Web page, the Web page generally contains a HTML title.
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