A-LevelComputer ScienceData Structures and ProgrammingMay/June 2025Paper 3 Q47 Marks
A linked list of nodes is used to store an ordered list of integers. Each node consists of the data, a left pointer and a right pointer, for example: Left pointer Data Right pointer [Figure showing a node with '20' in the data box and empty pointer boxes] The linked list will be organised as a binary tree. -1 is used to represent a null pointer.
✓ Correct Answer
The correct answer is —. This question tests the candidate's understanding of data structures and programming within the Computer Sciencesyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep