Unit 4 - Web Browsers

Examples of URLS:

http://www.edgenuity.com http://whatis.techtarget.com http://alternativebrowseralliance.com/browsers.html

What is an internet protocol?

An Internet protocol is a method for transferring data from one computer to another through the Internet. There are various types of Internet protocols, such as file transfer protocol, hypertext transfer protocol, telnet protocol, news, file, and mailto.

What are web browser featuress?

-An address bar shows the URL. -Back and Forward buttons move to the web address that was visited immediately before or after the current page within same window. -Bookmarking is a way of storing a web page so you can return to it easily in the future. -Password manager remembers site passwords. -The Smart location bar locates the sites you visit repeatedly by matching terms you type. -Zoom makes the web page appear larger or smaller.

Web Browser Similarities & Differences?

-The following are examples of popular web browsers and a description of whether or not they are open-source. Open-source allows non-paid access to, and redistribution of, a product's design and creation details. -Firefox is a popular open-source web browser. Parts of Google Chrome and Safari were made using open-source browser code. Internet Explorer and Opera are not open-source. -Web browsers have similar external features. For example, most offer bookmarking, address bars, and Back and Forward buttons. -However, web browsers can differ in how they render a web page. For example, a web page viewed in Firefox may look different than the same web page viewed in Internet Explorer.

Format of URL

A URL structure includes a protocol, a domain name, and a directory path, in that order. Protocol + Domain Name + Directory Path

What is a URL?

A Universal Resource Locator (URL) is a global address of resources on the Internet -- a type of web address. A URL is a type of URI (Universal Resource Identifier). A URI is a string of characters used to identify a resource.

What is a human readable URL?

A human readable URL is a representation of data that can be read by humans. For example, the URL https://en.wikipedia.org/wiki/IETF is human readable because it's easy to see this is a web page about the IETF.

What is a non-human readable URL?

A non-human readable URL is a representation of data that cannot be deciphered by humans. For example, the URL http://72.14.207.99 is non-human readable because strings of numbers don't mean much to most people.

What is a user interface?

A user interface is the part of a software program that a person (the user) can interact with.

What is a web address?

A web address is a way of representing the location of a web page or information resource on the web. A web address functions much like a mailing address. When you address an envelope to send a letter, you include information that tells the postal service where the letter is going. That information might include a house number, street, city, state or region, postal code number, or country.

URL Format Example

For example, in the URL http://www.example.com/home/index.html The protocol is http:// The subdomain is www The domain name is example.com. The directory path is /home/index.html.

Examples of internet protocols:

Hypertext Transfer Protocol (http://) is a foundation for data communication on the Internet. File Transfer Protocol (ftp://) allows users to move files from one computer to another and was frequently used in earlier days. Telnet (telnet) protocol connects to the computer remotely. News (News:) allows users to access newsgroups. File (file://) loads a local file from a network onto your computer. Mailto (mailto:) is used to send e-mail messages.

What is a web browser?

It is a type of software program that enables people to search for, interact with, and retrieve information resources. Information resources available on the web include web pages, images, videos, music files, and other forms of content. Those resources are available in several file types, such as HTML documents, PDF files, JPG files, and MP3 files.

What are the web browser components?

The rendering engine displays content on the screen. The browser engine coordinates actions between the user interface and the rendering engine. Networking handles requests for information resources from networked servers. Data storage enables the browser to save browsing information.