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What is the world wide web?

The world wide web is a multimedia based

collection of information, services and websites

supported by the internet.

The internet is a vast network of computers that

connects millions of people all over the world

Organisations, schools and governmentorganisations have all connected their internal

networks to this vast network.

Using the internet for business/

development

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A website is a specific location on the web whereyou visit to gather information

A website address is a unique name thatidentifies a specific computer on the web This is referred to as a domain name

Eg http://www.ghanaweb.com

The domain name identifies a computer on the weband the main pages of the entire site

We usually use the term web site address instead ofdomain name.

Most website are made up of several webpages.

Websites, addresses and pages

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http://www.ghanaweb.com/http://www.ghanaweb.com/

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Most addresses start with

http://www

The next part will indicate who the organisation is eg

fao; presbyuniversity; knust The last part of the address will indicate what kind of

organisation we are dealing with

Eg .com; .org; .edu; .gov; .net; .int etc.

This is followed by a two letter country location

Eg gh; uk;

http://www.presbyuniversity.edu.gh

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http://www/http://www.presbyuniversity.edu.gh/http://www.presbyuniversity.edu.gh/http://www/

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ISO 3166 country codes

AR = Argentina

AS = American Samoa

AT = Austria

AU = Australia AW = Aruba

AZ = Azerbaijan

BE = Belgium

BF = Burkina Faso BG = Bulgaria

BH = Bahrain BM = Bermuda

BW = Botswana

BY = Belarus

BZ = Belize CA = Canada

CG = Congo

CH = Switzerland

CI = Cote D'Ivoire (Ivory

Coast)

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COM = US Commercial

EDU = US Educational

GOV = US Government

INT = International

MIL = US Military

NET = Network

ORG = Non-Profit Organization

ARPA = Arpanet

NATO = Nato field

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Every computer on the internet has a uniqueaddress known as an IP address

Internet Protocol addressis a unique numberconsisting of 4 parts separated by dots, e.g.165.113.245.2 identifying every machine that ison the Internet.

If a machine does not have an IP number, it is notreally on the Internet.

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Many machines (especially servers) also have

one or more Domain Names that correspond

to an individual IP number, that are easier for

people to remember

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"Web 2.0" refers to what is perceived as a second

generation of web development and web design.

It is characterised as facilitating communication

The second generation of the World Wide Web,refers to the movement away from static

webpages to dynamic and shareable content and

social networking

Web 2.0

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The dynamic application of web 2.0 include

the following

Wikis

Blogs

Social networking sites

RSS feeds

podcasting

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A wiki is a web site that allows you maybe as a

visitor to create, edit, change or delete the

content. Eg the wikipedia

http://www.wikipedia.org

The Wikipedia is a free content encyclopaedia

covering about any topic you can think about.

Others are wiktionary, wikibooks

Wikis

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http://www.wikipedia.org/http://www.wikipedia.org/

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The blog is derived from the term "weblog andis a type of website, usually maintained by anindividual with regular entries of commentary,descriptions of events, or other material such asgraphics or video.

Entries are commonly displayed in chronologicalorder.

"Blog" can also be used as a verb, meaning tomaintain or add content to a blog

Often includes capabilities of the viewer to addcomments to these entries

Blogs

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Personal blogs The personal blog, an ongoing

diary or commentary by an individual, is the

traditional, most common blog. Personal bloggers

usually take pride in their blog posts, even if theirblog is never read by anyone but them.

Sites, such as Twitter, allow bloggers to share

thoughts and feelings instantaneously withfriends and family and is much faster than e-

mailing or writing.

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Corporate and organizational blogs

A blog can be private, as in most cases, or it can be forbusiness purposes.

Blogs, either used internally to enhance thecommunication and culture in a corporation orexternally for marketing, branding or public relationspurposes are called corporate blogs.

Similar blogs for clubs and societies are called club

blogs, group blogs, or by similar names;

typical use is to inform members and other interestedparties of club and member activities.

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By genre

Some blogs focus on a particular subject, such as political

blogs, travel blogs (also known as travelogs), house blogs,

fashion blogs, project blogs, education blogs, etc.

Two common types of genre blogs are art blogs and

music blogs.

By media type

A blog comprising videos is called a vlog,

one comprising links is called a linklog,

a site containing a portfolio of sketches is called a sketchblog

.

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What is RSS?

Really Simple Syndication or (Rich Site

Summary) is a format for delivering regularly

changing web content.

Many news-related sites, weblogs and other

online publishers syndicate their content as an

RSS Feedto whoever wants it.

RSS feeds

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Why RSS? Benefits and Reasons for using RSS

RSS solves a problem for people who regularlyuse the web.

It allows you to easily stay informedby retrievingthe latest content from the sites you areinterested in.

You save timeby not needing to visit each siteindividually.

You ensure your privacy, by not needing to joineach site's email newsletter.

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What do I need to do to read an RSS Feed?

Feed Reader or News Aggregator software allow

you to grab the RSS feeds from various sites and

display them for you to read and use.

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Google docs

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Term derived from ipod and broadcasting

Refers to your ability to download and upload

audio and video files for viewing and listening

Podcasts

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Social networking sites Facebook

Myspace Picture sharing sites

Flickr

Video sharing sites

You tube Slideshare

Slides and other documentation

Skype

Instant messaging Bookmarking sites: http://www.del.icio.us

Instant messenger

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http://www.del.icio.us/http://www.del.icio.us/

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