Electronic communication - PowerPoint PPT Presentation

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Title:

Electronic communication

Description:

Signals (sound, vision) converted for transmission ... ICQ, MSN, AOL, etc. Directories, chat file transfer. Extended systems. Audio, video, whiteboards ... – PowerPoint PPT presentation

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Title: Electronic communication


1
Electronic communication
  • Peter AlbionFOE1000

2
Communication is mediated
  • Different models
  • Transmission
  • Transaction
  • Rely on a medium for transfer
  • Sound
  • Vision
  • Touch
  • Taste
  • Smell

3
Electronic communications
Sound
Vision
  • Mediation uses electronic means
  • Signals (sound, vision) converted for
    transmission
  • Converted back at destination

Converter
ElectronicTransmission
Converter
Sound
Vision
4
Analog or digital
  • Analog uses continuous signal
  • Conventional radio (AM FM)
  • Conventional television
  • Conventional telephone
  • Vinyl disks audio/video tape
  • Digital converts to bits - on/off
  • Computer Internet
  • Digital television radio
  • CD DVD
  • Digital telephones

5
Synchronous or Asynchronous
  • Synchronous at the same time
  • Videoconferencing
  • Live radio television broadcast or narrowcast
  • Internet streaming media
  • Telephone
  • Internet chat or SMS
  • Asynchronous not at the same time
  • Recorded video
  • Recorded audio or voicemail
  • E-mail
  • Internet discussions
  • Web sites, blogs wikis

6
General characteristics
  • Convenient
  • Fast
  • Relatively inexpensive once established
  • Often less formal than traditional methods

7
Video audio conferencing
  • Complex studio systems to webcams
  • Multipoint or point to point
  • Desktop systems
  • Windows Messenger or iChat
  • Marratech others
  • Skype for telephony
  • Elluminate use foronline tutorials inin this
    course

http//www.apple.com.au/macosx/features/ichat/
8
Broadcast or streamed media
  • Complex studio systems to webcams
  • Desktop systems
  • Free or inexpensive software
  • May require special server
  • IPLOD uses streamed audio
  • Streamed media plays as it downloads

9
Text chat on the Internet
  • Internet Relay Chat (IRC)
  • Since 1988
  • Basic exchange of messages
  • Later systems
  • ICQ, MSN, AOL, etc
  • Directories, chat file transfer
  • Extended systems
  • Audio, video, whiteboards
  • MUDs and MOOs
  • Specialised language conventions

10
Chat systems in education
  • Simple text - IRC and later systems
  • Language learning through conversation
  • Online meetings
  • Expanded systems
  • Teaching with web presentations
  • Application sharing
  • MUDs and MOOs
  • Virtual worlds
  • Role plays

11
SMS
  • 160 character limit
  • Abbreviated language
  • Conventions
  • Inventive

RU F2T FYI SMS is GR8 WOT RU w8N 4
12
txtin iz messin w/ evrybodis englis
  • txtin iz messin,
  • mi headn'me englis,
  • try2rite essays,
  • they all come out txtis.
  • gran not plsed w/letters shes getn,
  • swears i wrote better
  • b4 comin2uni.
  • she's african.

Wired News
13
SMS poetry competition
  • a txt msg pom.
  • his is r bunsn brnr bl,
  • his hair lyk fe filings
  • W/ac/dc going thru.
  • I sit by him in kemistry,
  • it splits my _at_oms
  • wen he -)s _at_ me.
  • a text message poem
  • his eyes are bunsen burner blue,
  • his hair like iron filings
  • with ac/dc going through.
  • I sit by him in chemistry,
  • it splits my atoms
  • when he smiles at me.

Wired News
14
SMS in education
  • Possible applications
  • Easy contact with stakeholders
  • Reporting grades
  • Reporting absences from school
  • Research
  • Prompts for data gathering
  • Real time data collection
  • Problems
  • Cheating
  • Bullying

15
E-mail service
  • Analogous to conventional mail
  • Compose message
  • Transmit via network (local or Internet)
  • Senders terminal
  • Senders server
  • Receivers server
  • Receivers terminal
  • Stored for collection by receiver
  • Key protocols
  • SMTP, POP, IMAP

16
E-mail message structure
  • Headers inserted by software
  • Time stamp
  • Addresses (from, reply-to)
  • Other details
  • Inserted by sender
  • Address(es) of recipient(s)
  • Subject
  • Greeting
  • Message body
  • Signature

17
Email headers
18
Email message
19
E-mail etiquette
  • Use a meaningful subject line
  • Avoid using all uppercase
  • Regarded as SHOUTING
  • Avoid using all lowercase
  • Regarded as lazy
  • Take care with humour
  • Dont forward without permission
  • Be prompt with responses
  • Include identifying information

20
Message content
  • Informal compared to standard mail
  • Consider audience and potential impact
  • Spelling grammar are important
  • Especially in business messages
  • Include selected context in replies
  • Cut and paste to reduce excess
  • Keep it brief
  • One subject per message

21
Email response
22
Emoticons
  • Limit use and watch context
  • Meaning may not be understood
  • ) or -) smile
  • ( or -( sad
  • ) or -) winking or joking
  • -D shock or surprise
  • Many others are less well known

23
E-mail in education
  • Communication with colleagues
  • Within school
  • Professional communities
  • Communication with parents
  • Curriculum applications
  • Projects involving distant schools

24
Discussion boards
  • Message structure similar to e-mail
  • Operation more like a noticeboard
  • Message composed
  • Posted on server
  • Readers must visit server
  • Permits more control of access
  • Some advantages for class use

25
Web sites
  • Analogous to other forms of publishing
  • Often reproduce common genres
  • Books
  • Minutes of meetings
  • News and other reports
  • Include adaptations of genres
  • Interactive response forms
  • New genres
  • Hot lists
  • Home pages
  • Course site
  • Blogs Wikis

26
Blogs (Weblogs)
  • Convenient personal web publishing
  • Journal or diary style
  • Organised by date and category
  • Interactive
  • Provision for comments links
  • Aggregation of updates
  • RSS Rich Site Summary
  • Watch changes from a central location
  • Examples
  • http//hipteacher.typepad.com/schoolblog/
  • http//jerz.setonhill.edu/weblog/index.jsp
  • http//www.blogger.com/
  • http//www.bloglines.com/

27
DrAlb
28
Hipteacher
29
Bloglines
30
Wikis
  • Wiki Hawaiian for quick
  • Wiki Web
  • Editable web site
  • Examples
  • Wikipedia
  • http//en.wikipedia.org/wiki/Main_Page
  • Encyclopedia editable by any reader
  • Wikibooks
  • http//wikibooks.org/wiki/Wikibooks_portal
  • Cooperative textbook authoring

31
Wikipedia
32
Blogs Wikis in education
  • Emerging technologies
  • Interest in literacy education
  • Cooperative writing
  • Writing for audiences
  • Strong potential
  • Care needed in public spaces

33
Electronic communication in Education
  • Potential
  • Linking school home
  • Linking school the world
  • Information
  • Interaction
  • Challenges
  • Technical
  • Tools training
  • Social
  • Increased workload
  • Ensuring safe use
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