4. Data processing: database and file management or data structures
  5. Database and file access
  6. Record, file, and data search and comparisons

Thomas A. Leung

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Electrical computers and digital processing systems: multicomput – Computer-to-computer data modifying
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Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
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Data processing: database and file management or data structures – Database and file access – Record – file – and data search and comparisons
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