INFORMATION-I · 2023
Information I
Official National Center for University Entrance Examinations examination materials and examiner commentary for Information I (2023). Refer to the board portal for the latest published reports.
Cohort performance
Session statistics from official examination reports
No data available in official reports
Key examiner messages
Top priorities from the principal examiner before you revise
No data available in official reports
Question difficulty map
How candidates performed on each question in this series
No data available in official reports
Assessment objectives
Skill and AO weighting from official examiner commentary
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Method marks watchlist
Where working, steps, or method marks were commonly lost
No data available in official reports
Recurring mistakes across years
Themes examiners flag in multiple recent sessions for this subject
Programming: Updating variables in the wrong order inside a loop. — Trace line by line in a table and do not combine steps mentally.
Data: Using a graph visually without checking axis scale, units or missing data. — Circle axes, legend and sample size before calculating…
Security: Choosing encryption when the problem is authentication, backup or access control. — Name the threat first: eavesdropping, imper…
Binary: Confusing bits and bytes or powers of 10 and powers of 2. — Write 1 byte = 8 bits and common powers 2^8=256, 2^10=1024.
Algorithms: Assuming a sorted list or valid input when the problem did not state it. — Check preconditions before applying search, sortin…
Question choice intelligence
Mean scores and popularity for optional questions (HKDSE electives)
No data available in official reports
Level exemplars
What candidate scripts at each grade level looked like
No data available in official reports
Grade & admission context
How marks relate to grade thresholds and entry standards
No data available in official reports
Deep insights
What top candidates did
Techniques and approaches examiners rewarded in this series
No data available in official reports
Command word playbook
How to match each command word to the expected response style
No data available in official reports
Time traps
Sections where candidates spent disproportionate time relative to marks
No data available in official reports
Syllabus traceability
Topics linked to questions and mark weighting in this session
No data available in official reports
MCQ trap analytics
Commonly chosen wrong options from examiner commentary
No data available in official reports
Topic heatmap across years
Mark concentration by topic and exam year for this subject
Mark intensity
Programming, algorithms and problem solving
Networks, databases, data analysis and simulation
Information society, security and communication
Information design and data representation
Difficulty trend
How session difficulty has shifted across recent years
Paper comparison
Marks and duration breakdown across papers in this session
No data available in official reports
Marks you can still earn
Where valid approaches outside the mark scheme may still gain credit
No data available in official reports
Practise what examiners flagged
Target weak topics from this report inside the Revui app
No data available in official reports
Self-diagnostic checklist
Key actions before you sit this paper — copy and tick off as you revise
- 1Pitfall
Programming: Updating variables in the wrong order inside a loop. — Trace line by line in a table and do not combine steps mentally.
- 2Pitfall
Data: Using a graph visually without checking axis scale, units or missing data. — Circle axes, legend and sample size before calculating…
- 3Pitfall
Security: Choosing encryption when the problem is authentication, backup or access control. — Name the threat first: eavesdropping, imper…
- 4Pitfall
Binary: Confusing bits and bytes or powers of 10 and powers of 2. — Write 1 byte = 8 bits and common powers 2^8=256, 2^10=1024.
- 5Pitfall
Algorithms: Assuming a sorted list or valid input when the problem did not state it. — Check preconditions before applying search, sortin…
Teacher briefing pack
One-page session summary for tutors and classroom review
2023 2023
Information I
Official National Center for University Entrance Examinations examination materials and examiner commentary for Information I (2023). Refer to the board portal for the latest published reports.
Programming: Updating variables in the wrong order inside a loop. — Trace line by line in a table and do not combine steps mentally.
Data: Using a graph visually without checking axis scale, units or missing data. — Circle axes, legend and sample size before calculating…
Revui has indexed this report from the official exam board. Open the original examiner report for full comments on candidates' performance. Curated charts and pitfalls for this series are coming soon.
View official report