Media Arts Semester B Vocab

internet

a collection of networked computers that can communicate with each other. made of millions of connected nodes worldwide.

packet switching

computer code that allows a sending computer to break down a message into small groups of data (packets) and then transmit them over a network to a receiving computer.

packets

1,000 - 3,000 characters in size and made up of a header and payload. DATA

packet header

include info about where the packet is going.ng.

packet payload

part of a message that once received is reassembled with the other packets by the receiving computer’s software.

internet of things

a phrase to describe the internet today — millions of computerized networked devices that can communicate with us and with each other.

smart devices

all everyday things that come with embedded networked computer chips and are connected to the internet.

world wide web ( WWW)

all the websites that are connected via the internet and how we access them.

hyper text

ability to make a word or phrase clickable and upon click be connected to a file in another location. available in the 1980s.

HTML

hypertext markup language. computer language for creating web pages and websites. markup language that tags specific elements within a text file to control the type and size of font, color, placement, and size. can also create a link to another webpage. also a file type to save web pages.

URL

uniform resource locator. address of a web page. makes it easy for a web browser to find page. can be inserted as a hyperlink to connect to another web page. internet is a neighborhood and url is street address.

HTTP

hypertext transfer protocol. set of rules that web pages follow when sending or receiving info between computers on the internet. HTTPS is enhanced for of HTTP, includes encoding for secure transfer of info.

web servers

a computer where files are stored which can be accessed via the internet using HTTP protocol.

web browsers

software that makes it easy for an end-user to access web pages on the WWW

client side software

software on the end-user side like browsers, email programs, and FTP program that allow end-users to access information on the WWW

mosaic

first popular browser.

FTP software

software that makes it possible to upload, download, and share files on the internet.

URL - easy def

address of a web page

url - scheme

first part of URL. tells web servers which protocol to use when using a web page. eg - HTTPS. directs the web browser to encrypt info entered on the page.

url - subdomain

after the scheme. tells the web browser which section on a website to render on your screen.

url - second level domain

name of the website.

url - top level domain

identifies the type of organization that the site has registered wit the DNS (domain name system) of the internet. eg - .com or .edu or .org or .gov.

DNS

domain name system.

url - subdirectory

at the very end. designates which specific page on the webstie should be rendered by the browser. eg - …../courses means we gonna see the courses.

url - port numbers

sometimes part of address. tells browser to override default ports and connect it to a diff one.

home page

page gives a big picture view of what the website is abt and provides links to navigate rest of the site.

GUI

graphic user interface. creates web pages and hosts them on websites. eg - squarespace, weebly, wix.

3 tools to make a website

coding language to create web pages, computer connected to the internet to host pages, a way to get page files to the computer ( FTP software will do it).

HTML5

current publishing format for the web that gives ability to format web pages, add audio and video, and link other files and resources.

CSS

cascading style sheets. language that controls the overall look and feel of a website and makes all pages consistent. this defines the overall page layout, font type and sizes, colors and mouse over effects on all pages of a site.

javascript

scripting language that can be added to HTML pages to create things like animations when you mouse over a link.