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21 digital communication

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    21 digital communication 21 digital communication Presentation Transcript

    • Digital CommunicationLecture 21Zikria Mian
    • Messaging• Text messaging• Instant messaging• Multimedia messagingFor Business and Personal use
    • Voice Communication• Cell phones• Voice Over Internet Protocol (VOIP)• Advantages:– Increased efficiency– Wider choice of service providers– Useful in emergencies– VOIP is generally free• Disadvantages:– Cell phone can distract attention– VOIP is not fully regulated hence quality may be poor
    • Blogs and Wikis• A blog is an informal website consisting oftime-stamped articles or posts.• A Wiki is a collaborative website thatallows users to create, add to or modifythe website content via their web browser
    • Social and professional Networking• Social networking sites like facebook,myspace, orkut, bebo etc• Chat rooms are now losing popularity andare now mostly used for targeteddiscussions.• Online learning, consumer networking arealso tools of communication
    • Multimedia content sharing• Rapid growth in use of digital cameras hasled to multimedia sharing by home users– Youtube– Flickr• Sharing of useful documents,spreadsheets, presentations etc
    • Multimedia content sharing• Rapid growth in use of digital cameras hasled to multimedia sharing by home users– Youtube– Flickr• Sharing of useful documents,spreadsheets, presentations etc