Chapter 7 Flashcards
Web
A collection of document, image, video, and sound files that can be linked and accessed over the Internet using a protocol called HTTP
Hypertext
Computer system that can store literary documents, link them according to logical relationships, and allow readers to comment and annotate what they need
Web 2.0
Includes Web-based applications
Web 3.0
Includes cloud computing
Web site
Typically contains a collection of related information organized and formatted so it can be accessed using software called a browser
Web server
An Internet-based computer that accepts requests from browsers
Web page
Product or output of one or more Web-based files displayed in a format similar to a page in a book
Web browser
A client software that displays Web page elements and handles links between pages
Hypertext link
Can be used to access a Web page
URL
Uniform Resource Locator; A unique address for a Web page
HTML
Hypertext Markup Language; Set of specifications for creating documents that a browser can display as a Web page
Markup language
A language that authors use to mark up documents by inserting special inserting special instructions called HTML tags (Ex. HTML)
HTML tags
Specify how the document should appear when displayed on a computer screen or printed
XHTML
Markup language very similar to HTML, but it can be customized with tags that describe the data in databases
HTML document
Similar to a word processing file, but has an .htm or .html extension
Source document
Another name for an HTML document, because it is the source of the HTML tags used to construct a Web page
HTTP
A protocol that works with TCP/IP to get Web resources to your desktop
Socket
An abstract concept that represents one end of a connection
Persistent HTTP connection
Reuses the same HTTP connection to send and receive multiple requests
HTTP status code
Web server’s response to a browser’s request; Indicates whether the browser’s request could be fulfilled
Web cache
Temporary files with material from when your browser fetches pages and graphics from a Web page
Plug-in
A program that extends a browser’s ability to work with file formats
Cookie
Small chunk of data generated by a Web server and stored on a text file on your computer’s hard disk
What do websites use cookies for?
- Monitor your path
- Gather information
- Collect personal information
HTML conversion utility
Adds HTML tags to a document, spreadsheet, or other text-based file to create an HTML document that can be displayed by a browser
Web authoring software
A Web page creating software that provides tools specifically designed to enter and format Web page text, graphics, and links
HTML form
Uses the tag to accept typed input
Client-side
The process that occurs when an HTML source document that’s received by your local browser handles interactions
Server-side
The process that occurs when interactions are handled by a remote server
JavaScript
Computer scripting language commonly used to add logic and other programmable elements to a Web page
Web search engine
Program designed to help people locate information on the Web by formulating simple queries consisting of one or more words called keywords or search terms
Web crawler
A program that combs the Web to gather data that’s representative of the contents of Web pages
Indexer
Processes the information gathered by the crawler into a list of keywords and URLs stored in a database
Database
Stores billions of index references to Web pages