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.