computer science

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Across
  1. 3. a section of a computer program that is stored only once but can be used when required at several different points in the program
  2. 6. a detailed readable step-by-step description of a computer program
  3. 9. a value in a program that can change
  4. 10. a numbering system that represents values using just 0s and 1s
  5. 12. any information or data that is sent to a computer for processing
  6. 13. random access memory
Down
  1. 1. a computer program that operates or controls a device attached to a computer such as a printer
  2. 2. a value in a program that cannot change and will always stay the same
  3. 4. a data type that has one of two possible values either true or false
  4. 5. a data structure that can contain more than one value
  5. 7. any information that is processed and sent out from a computer
  6. 8. a computer network that connects computers over a large goegraphical area.
  7. 11. data structure that can contain more than one value