Internet and communication basics
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Internet and Communication Basics. 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

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Internet and Communication Basics

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Internet and Communication Basics


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.


What is a browser?

  • The software program that you use to retrieve documents from the World Wide Web (WWW) and to display them in a readable format.

  • Examples:

    • Internet Explorer

    • Netscape Communicator

    • Mozilla Firefox


Research on the Internet

  • Two basic tools used to find information:

    • Search engines

      • Used to search for keywords

        • Google and search for Presidents

    • Subject directories

      • Used to find specialized topics

        • Go into list of internal directories then seach a specific term


What is a search engine?

  • A tool that lets you find Web pages that match a particular word or phrase.

  • Examples of search engines:

    • Google

    • Yahoo

    • Ask

    • Bing


Types of Search Engines

  • 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.

  • Individual Search Engine

    • Provides the highest volume of results – most broad

      • Putting in a key word


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 ”


Boolean Operators

  • Boolean logic consists of three logical operators:

    • AND

    • NOT

    • OR

    • Which would give you more results?

      • Yankees and baseball

      • Yankees or baseball


Extensions

  • An extension is a set of characters that follow a filename and are separated from it by a period, used to identify the kind of file:

    • Exe = executable files

    • install and run programs and routines

      • www.wordsofworth.exe

    • What do you think the extension in the web address www.cms.k12.nc.us is an example of?

      • Filename

      • Organization

      • Directory

      • Country


Chat Rooms

  • Using the computer to create real-time communication between yourself and another user or a group of users.

    • Internet Relay Chat (IRC)

      • One of the most widely used chat forums on the Internet today.

        • Known as instant messanger

    • Buddy lists

      • You specify your list of friends and even tell when they are online.

      • Example: AOL Messenger


Newsgroups

  • A discussion forum or a type of bulletin board.

  • Each board is dedicated to discussion on a particular topic.


Blogging

  • Blogging is similar to newsgroups

    • It is a way to share your thoughts, feelings and opinions with others through the internet

      • Can be public or private


Podcast

  • A way of publishing files to the internet and allowing users to subscribe and receive files automatically

    • Like a subscription

      • The US Olympics


What is Email?

  • Email, or electronic mail, is similar to regular mail. You have a message, an address, and a carrier that figures out how to get it from one location to another.

  • Email is used to stay in touch with family and friends, conduct business, and send attachments such as text and image files.


Advantages and Uses of Email

  • Faster way to communicate and respond

  • Quick and easy way to send messages

  • Forward messages to other individuals

  • Send messages to multiple individuals

  • Include attachments such as pictures, audio files, and documents


Email Terminology

  • Subject – the topic of the email

  • CC – Carbon Copy to send it to more than one person

  • BC – Blind Copy so you are able to send it to more than one person and the person in the BC spot is anonymous

  • Attachment – a way to attach/connect documents, pictures and videos to an email


To Stay Safe

  • Use only chat rooms and newsgroups that are moderated

    • Someone is making sure discussions stay on topic and people are following the rules

  • Make sure your websites are safe

    • There should be a lock at the bottom of the page

    • Or HTTPS in the address

  • If you get Emails from Bullies or people you do not know IGNORE the emails

    • Never write them back or post about the individual


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