Does NothingDoes NothingDoes NothingDoes Nothing NowtAdminCase Studiesmodule1Module2Module3Module4Module5Module6Glossary  
nowtPolicy / StrategySoftware evaluationDatabase managementDistributed SystemsNetwork security and accountingHuman Computer InteractionHuman Computer InterfaceSoftware DevelopmentSoftware reliabilityPortability of Datanowt
NowtProtocols and standardsInternet addressesCommunication StandardsCommunication MethodsISOQuestionsNowt
 

5.10 Portability of data

Module Specification:

5.10.1 Protocols and standards

  • Explain the need for portability of information; ease of transferring numerical, graphical and textual data between applicaitons.
  • Describe the need for standards for interchange of text, numeric data and graphics, for hardware and software, and for common operating systems.
  • Understand the protocols and addressing mechanisms used to support the World Wide Web.

5.10.2 Communications standards

  • Understand why protocols are required and know of the existence, benefits and limitations of standards.

5.10.3 Emergence of standards

  • Recognise the existence of de facto standards based on historic precedent and sales success in comparison to formal standards.

Module Content:

  1. Protocols and standards - Notes
  2. Internet Protocols And Addressing - Notes
  3. Communication Standards - Notes
  4. Communication Methods - Notes
  5. ISO Model - Notes

Additional Information:

A Level ICT 2nd Edition P. M. Heathcote Chpt 60
ICT through Diagrams Alan Gardner pp23,83,84,86,90,91,97,156
   

©LEV