CTL3074

Welcome to the Internet

CLT3074 Overview

• Materials available via the web• url: http://www.edn.gu.edu.au/coursei/bedprim/ctl1074/index.html

• Assessment– practical test (30%) wk 8– Prepared exam (30%) wk15

• software evaluation (20%) about 800

• prepared question [5 > 3 do 1] Prepare 3! (10%)

– curriculum unit & presentation (40%) 5mins & 2000

A Brief History• 1962 Inter-Networking• 1969 ARPA net• 1972 1st email program• 1970s Doug Englebart• 1992 WWW created• 1993 1st graphic browser• “I haven’t seen anything grow like this outside of a petrie

dish”

The Nature of the Beast

• this permits:• file transfer (FTP)• mail transfer (SMTP)• HyperLinks (HTTP)• telnet

• We use a variety of different programs to access these

The nature of the internet is

The World Wide Web

• HTTP allows instant viewing of documents

• HYPERTEXT links documents

• Recent developments in HTML (hypertext markup language) permits inclusion of sound and video

• 1995 jim goslin’s team design JAVA

• The Web as a ‘killer-ap’

Searching

• Directories ie YAHOO• urls (addresses) are collected and categorised

• Search Engines ie ALTAVISTA• user searches for ‘keywords’ in a databank

• Meta search engines ie DOGPILE• searches other search facilities

• Information ‘retrieval’ skills of key importance

Needle in a cyberstack…..

• Combined, the top six search engines cover about 42% of the web.

% Search Engine

16.0 Northern Light

15.5 AltaVista

15.5 Snap

11.3 HotBot

8.5 Microsoft

8.0 Infoseek

7.8 Google

7.4 Yahoo

5.6 Excite

2.5 Lycos

2.2 Euroseek

Interfaces: lynx

Interfaces: Internet Explorer

Interfaces: Neoplanet

Interfaces: Netscape

Telnet

ICQ

http://www.icq.com/

CHAT

http://messenger.ninemsn.com.au/

What to do with it?

• Resource Sites:– http://rite.ed.qut.edu.au/oz-teachernet/– http://edna.edu.au/EdNA

– > Communities and Lists

• Source Sites– http://www.fordham.edu/halsall/sbook.html

• Information retrieval skills• Publishing

Tasks

• Find the ctl3071 resource pages• Introduce yourselves via the FORUM• Start searching for ‘resource’ and ‘source’ sites.• Email your tutor: • mrlaneis@hotmail.com• truna@hotmail.com• You can find this PP Slide Show under PP Slide

Shows in OzEdweb at: http://www.teachers.ash.org.au/mrlaneis/