ICT - Unit 5

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  • Created by: BethScott
  • Created on: 13-04-15 16:11
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  • Unit 5
    • Advantages of ICT over Manual methods of processing
      • Repetitive processing
      • Speed of processing
      • Data storage capacity
      • Speed of searching
      • Speed of data communications
      • Accuracy
      • Ability to produce different output formats
      • Ability to search and combine data
      • Improved security of data and processes
    • Factors that affect the efficiency of data processing systems
      • Hardware
      • Software
      • Operating system
      • Communication
      • Input
    • Limitations of data processing systems
      • Nature of the software
      • Changes in the circumstances during development
      • Compatability
      • Maintenance problems
      • Ability of the user
      • Support
      • Organisational changes
      • Cost
      • Poor post-implementation procedures
      • Speed of implementation and insufficient testing

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