Communication Trends and Applications
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Communication Trends and Applications: Past, Present and Future, Slides of Data Communication Systems and Computer Networks
An overview of communication trends and applications, from the past focused on data communications using mainframes and analog technology, to the present with information communication using microcomputers and digital technology, and the future convergence of digital technology in all forms of communication. It covers topics such as data and audio-video transmission, growth factors, network architecture evolution, and security.
Typology: Slides
2013/2014
1 / 125
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Communication Trends and Applications
Chapter Objectives
- Describe the status of information communication past and present
- List the factors that led to the growth of computer communications
- Outline a few sample communication applications
- Discuss the evolution of Wide Area Network communications and its current convergence to digital technology
Communication in the Past
- Known as Data Communications
- Mostly concerned with alphanumeric data
- A highly specialized topic
- Focus
- Mainframes
- Analog telecommunication technology
- WANs
Communications at Present
- Known as Information Communication
- Data, image, audio and video communications
- A necessary topic for IT professionals
- Focus
- Microcomputers
- Digital communication technology
- LANs, WANs etc.
- Internet
- Internet, Intranet and Extranet
Audio and Video Transmission
- Requirements
- More bandwidth is required
- Real-time transmission may also be required
- Solution
- Compression
- Streaming
- Note: Streaming includes compression as well
Comparison of Data and information Communication
Key Words
- Mainframe
- Centralized
- Analog
- Data
- Telecommunication network - LANs - Distributed - Digital - Information - Computer network (Internet)
Hosting Services
- Godaddy
- 1&
- MediaTemple
- Yahoo hosting service
End of Module
Module
Opportunities and Certification
Certification
- Microsoft Certification
- MCSA & MCSE
- CISCO Certification etc.
- Network+ Certification
- Different vendors offer certifications at different levels of expertise
- Contact their web sites for further information
Certification Websites
- Microsoft
- http://www.microsoft.com/learning/mcp/certifications.mspx
- CISCO
- http://www.cisco.com/en/US/learning/le3/learning_career_certifications_an d_learning_paths_home.html
End of Module
Module
Information Communication Growth Factors