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Text and binary files

AQA 75174.2 L2A-levelLesson packSubscription
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This worksheet marks itself

Set it as homework or classwork and every answer is marked as pupils go, with feedback on what they got wrong. The scores go straight into your mark book, so you can see who needs help before the next lesson.

  • 11 questions
  • 32 marks
  • about 40 minutes
  • marked instantly

Question types: short answer, matching, multiple choice, true or false.

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Identify the C# method that reads the next line of a text file, and returns null when there are no lines left.

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About this resource

AQA A-level Computer Science (7517) 4.2.1.3 Fields, records and files. C# lesson 2 of 8 in 4.2 Fundamentals of data structures: a trace-it-first retrieval Do Now, a short key idea, a 12-challenge ladder in three sets with exact test data, two exam questions and a worksheet. Replaces aqa-7517-4-2a…

16 slides.

Lesson outline

  1. Do Now: trace it first
  2. Do Now: answers
  3. Key idea: Text files: a file of records
  4. Key idea: The same record, text or binary
  5. Key idea: Binary files: same types, same order
  6. Set 1: text files: write, then read back
  7. Set 2: records in a text file
  8. Exam question E1: fields, records and files
  9. Model answer E1
  10. Exam question E2: text or binary?
  11. Model answer E2
  12. Set 3: binary files
Unit bundle4.2 Data structures · full C# lessons
Part of: 4.2 Data structures · full C# lessons: the whole unitEvery resource in the unit in one zip.

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