E-commerce Infrastructure: The Internet, Web, and Mobile Platform (II) Flashcards
Bandwidth
Measures how much data can be transferred over a communications medium within a fixed period of time.
The Web
The invention of a virtual space that uses a client to access the web server showing HTML content.
Web invented time period
1989-1991
Tim Berners-Lee at CERN
HTML, HTTP, web servers, web browsers
Web browser
Is a software program whose primary purpose is to display web pages
eg: google Chrome
First commercial web browser time period
1993
Mosaic browser was the first web browser with a graphics UI (GUI)
Microsoft Internet Explorer invention date
1995
Universal computing
The sharing of files, information, graphics, sound, video, and other objects across all computer platforms in the world, regardless of operating system
Netscape navigator
First commercial web browser. Initially charged for their software
Hypertext
Text formatted with embedded links. Uses HTTP and URLs to locate resources on the web
Markups
Indicators of content, how to process that content – “script”, “style”
Hypertext Markup Language (HTML)
Generalized Markup Language (GML) that provides web page designers with a fixed set of markup “tags” that are used to format a web page. Controls the look and feel of webpages
Most recent version is HTML5
Cascading Style Sheets (CSS)
Tells a web browser how to display the HTML elements on the screen (style)
eXtensible Markup Language (XML)
A markup language specification developed by the World Wide Web Consortium (W3C) that is designed to describe data and information
Really Simple Syndication (RSS)
Program that allows users to have digital content, including text, articles, blogs, and podcast audio files, automatically sent to their computers over the internet
Web server software
Software that enables a computer to deliver web pages written in HTML to client computers on a network that requests this service by sending an HTTP request
Web server basic capabilities
Security services
File transfer
Search engine
Data capture
4 types of specialized servers
Database server
Ad server
Mail server
Media server
Database server
Server designed to access specific information within a database
Ad server
Server designed to deliver targeted ads
Mail server
Server that provides e-mail messages
Media server
Server that enables streaming and other types of media to be delivered
Oldest, most important, and frequently used internet service. Runs in the application layer of the TCP/IP model
Communication tools
Email
Messaging applications
Online message boards
Internet telephony (VoIP)
Videochats
Simple Mail Transfer Protocol (SMTP)
The internet protocol used to send e-mail to a server
