ProgrammingStudy Notes

Exam Tips

Part of String HandlingGCSE Computer Science

This study notes covers Exam Tips within String Handling for GCSE Computer Science. Revise String Handling in Programming for GCSE Computer Science with 15 exam-style questions and 8 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 6 of 6 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 6 of 6

Practice

15 questions

Recall

8 flashcards

Exam Tips

  • 0-indexed: First character is at position 0
  • Substring: substring(start, length) not substring(start, end)
  • Common mistake: Forgetting strings are immutable - operations return new strings

Keep building this topic

Read this section alongside the surrounding pages in String Handling. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for String Handling

The string variable word = "Hello". What does word.length return?

  • A. 4
  • B. 5
  • C. 6
  • D. 0
1 markfoundation

Explain the purpose of the ASC() and CHR() functions in OCR pseudocode. Give one reason a programmer might need to convert between characters and their ASCII codes.

3 marksstandard

Quick Recall Flashcards

What does CHR(66) return?
"B"
How do you join strings?
Concatenation: string1 + string2

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