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Learning Outcomes

At the end of this Unit students will  be able to:

  • identify different data types: logical/Boolean, alphanumeric/text, numeric (real and integer) and date
  • select appropriate data types for a given set of data: logical/Boolean, alphanumeric/text, numeric and date
  • describe what is meant by the terms file, record, field and key field
  • describe different database structures such as flat files and relational tables including the use of relationships, primary keys and foreign keys
  • state the difference between analogue data and digital data
  • explain the need for conversion between analogue and digital data

Browse IGCSE ICT

Components of Computer

Input Output Devices

Storage Devices and Media

Computer Networks

Data Types

Effects of Using ICT

Application of ICT

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