The Internet
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Internet Search Engines
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Individual and Meta-serarch Engines
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Individual search Engine
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Uses computer programs called "spiders", "crawlers", or "robots" to match key search words with web pages
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Meta-Search Engine
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Compiles results to eliminate duplications yielding fewer results
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Internet Search Tools
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Search Engines, Subject Directories
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Subject Directories
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Searchable databases that are developed and maintained by human selection of sites
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Internet Search Methods
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Keywork, Field, Boolean Logic, Miscellaneous
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Keyword
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"Search String" Keying a main idea, phrase, or concept in a search box
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Field
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Search conducted for a specific title, domain, URL. or host
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Boolean Logic
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Uses operators such as, AND, OR, and quotation marks
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AND
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Narrows results by searching for pages that contain both keywords
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OR
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Expands results by searching for pages that contain either of the keywords
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Miscellaneous Search Methods
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Different language support, Spell Checker, Phonebook, Math/equivalents
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Different language Support
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searches for words in different languages
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Spell Checker
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gives suggestions if the word keyed for the search is mispelled
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Phonebook
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Uses phone numbers to search for locations and addresses
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Math/equivalents
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solves basic math problems and converts equivalents
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Google
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Individual Search Engine
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Surfwax
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Meta-search engine
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http://scholar.google.com/
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Suject Directory
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URL
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Uniform Resource Locator
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Components of a URL
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Protocol, Domain name, Directory/folder
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Protocol
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are rules that determine how the Internet handles message packets flowing on it.
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Domain Name
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Used to identify the details of the information's source in an URL
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Server/host name
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The origin of the information
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Suffix/extension
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Used to indicate the type of server, such as org.edu.,mil
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Directory/folder
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Instructs the URL to drill down into specific directories of folder for requested information
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Page/document/filename
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used to indicate a specific document or program
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Tilde (~)
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Indicates a personal web page
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.exe
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Indicates an executable program
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Equals (=)
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Indicates a specific document or program
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Question Mark (?)
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Indicates a query
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Creator
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Information that confirms the author is who he/she claims to be
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Fair Use
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when people use other peoples work freely
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Copyrighted
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Published work that has been protected to keep others from freely using it
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Validate
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To verify or prove that something is what it says it is or does what it says it's supposed to do
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Authentic
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Genuine, real, original, true
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Electronic Communications
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Chatting, Blogs, Podcasting, Discussion Boards, Text Messaging, Email
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Chatting
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talking in real-time to other network users from all parts of the world
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Blogs
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web-based journal
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Podcasting
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Publishing files to the internet, allowing users to subscribe to a feed and receive new files automatically
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Discussion Boards
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On-line bulletin boards that provide a forum for users to post and respond to messages
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Moderated Discussion Board
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An administrator and/or Moderator monitor discussion threads for content and netiquette
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Un-moderated Discussion Board
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Discussions are at free will
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Text Messaging
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Keyed messages relayed via a pager or cell phone
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Email
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Electronic exchange of messages and files that are connected to the internet
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Components of an email
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Header, Body, Signature, Attachment
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Sections of an email Header
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Addressee (TO), Author (FROM), Date, Subject
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Body
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The message of the memo
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Signature
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The name and contact information of the sender
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Attachment
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Files that are sent along with the email
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Subject
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The topic of the message
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CC
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Notation for additional recipient names and addresses
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BCC
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Notation for recipient(s) that are hidden from view
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E-mail Netiquette
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Do not key in all caps or in all lower case! Using all caps symbolizes yelling
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Virus
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Software that attaches to programs that are installed on a user's pc
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Spam
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unwanted and unsolicited email advertisements or messages
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Spyware
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malicious software designed to take partial control of a computer's operations without the consent of the user
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Internet Safety Guidelines/Precautions
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Avoid yelling, Bullying, Explicit material,
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Website is Secure
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https, interactive lock, verisign, Seal
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SMTP
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handles outgoing email messages, determining the paths an email message takes on the Internet.
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electronic mail
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"Email" is short for
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user name
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usually identifies one person's email account on a mail server.
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mail client software
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The software that requests mail delivery from the mail server to an Internet device is known as
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a single mail server to manage the email they send and receive
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Most organizations have
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message header
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contains information about the message.
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signature
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might appear at the bottom of an email message and contain standard information about the sender.
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category or group
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A single email address that can represent several email addresses is called
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attachment
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When you send along a complex document or graphic as part of your email, you send it along as a(n)
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read-only
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file is a file you can view but cannot change.
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The email address [email protected] is the same as the email address
