Intro To WWW + HTML Flashcards by Michelle Somerville

What does a network consist of?

2 or more computers connected for the purpose of communicating & sharing resources

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LAN

Connects computers in a single building or connected buildings

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WAN

Geographically dispersed: people in east & west Canada can use WAN to link into LAN

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Client/server

Refers to comps joined by a network. Can also describe a relationship between 2 comp program. Client makes a request, server fulfils it

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Internet protocol

Set of rules that describe how clients & servers communicate over a network

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HTTP (Hypertext Transfer Protocol)

Set of rules for exchanging files like text, images, audio, video + multimedia on web

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FTP (file transfer protocol)

Set of rules for allowing files to be exchanged on the internet. Moves files from one computer to another.

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TCP (Transmission control protocol)

Purpose is to ensure the integrity of network communication

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IP (Internet protocol)

Set of rules that controls how data is sent between computers on the internet

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DNS (Domain name system)

Associates IP address with text based URLS typed into web browsers

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URI (Uniform Resource Identifier)

Identifies a resource on the internet

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URL (Uniform Resource Locator)

A type of URI which represents the network location of a resource like a web page, graphic file or MP3 file

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TLD (top level domain name)

Broken into several parts which describe a hierarchy.

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gTLD (generic top level domain)

3 subtypes of TLDs. Unrestricted (.com/.net/.org/.info) & Sponsored (.gov/.mil/.edu, etc)

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ccTLD (country code top level domain)

Are under control of which countries they represent.

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Markup languages

Consist of sets of directions that tell browser how to display & manage web docs

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HTML (Hypertext Markup Language)

Set of symbols/codes places in a file intended for a web browser.

<!DOCTYPE>

Defines this doc is a HTML doc

Root element of an HTML page

Lang

Attribute specifies the language of the element’s content

Contains meta info about the HTML page

Title of an HTML page

Defines heading sizes

Defines a paragraph

Defines a comment, not visible on live webpage

Defines a break. Empty element. No closing tag.

Defines a horizontal rule. Separate text with horizontal line

Defines a quote

Is HTML case sensitive?

No, but use lower case to maintain consistency

With tags in HTML, browsers can…

Distinguish between what’s HTML and plain text

HTML attributes are usual written in

Name/value pairs. Name=“value”

How many attributes can HTML have?

All can have, and many attributes

What is the anatomy of a HTML element?

Opening tag, content, closing tag.

Unordered list. Tells the browser to not order/number a list. Will use bullet points instead

Means list. These go under

Italicizes

Bolds

Ordered lists. Tells browser to number each item

Adds an image. We need to tell it the URL of the image.

Telling the browser where to find the image it’s to display

Alt=“desc of image”

Used at the end of an image url to add descriptions for the blind. Also helps SEO

You can edit the image size by typing…

Width= “number value”.