Storing and Retrieving

 Students learn about:
 Students learn to:
 
storing and retrieving
 
  • storing and retrieving the two-step process by which data or information can be saved and reloaded to allow for:
    • other processing to take place
    • a temporary halt in the system
    • backup and recovery
    • the transfer of data or information
  • hardware for storing and retrieving
    • hardware devices (See Course Specifications Document)
    • the characteristics of hardware, including:
      • random or sequential access
      • volatile or non-volatile
      • permanent or non-permanent
  • the trend to faster and greater storage capacity over time
  • software for storing and retrieving
    • hardware interface software
    • file management software
    • database management systems
    • file formats for different data types
    • Internet browser
      • used to access a machine - independent data store 
      • using search engines to access data
    • encryption/password protection
    • security of stored data whether stored centrally or distributed
  • non-computer tools, including:
    • paper based storage systems
    • microfiche
    • libraries
  • social and ethical issues, including:
  • the security of stored data unauthorised retrieval of data advances in storage and retrieval technologies and new uses such as data matching
a)



 

 
  • document the storage and retrieval
  • process in an information system
  • describe the characteristics and operation of hardware devices used for storage and retrieval
  • use a range of hardware devices and associated software to store and retrieve information and data
  • store and retrieve data using a network
  • compare different file formats for storing the same data, explaining the features and benefits of each
  • use software features to secure stored data and information
  • retrieve and use data in an ethical way



 

Annotations:
 
a) Minor changes have been made to original dot points to tighten and clarify definitions of terms and concepts and to remove ambiguities
 
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