IB past paper analysis

Computer Science SL
May 2026 · Paper 1 · TZ3

See what this paper tests, focus on the skills that carry the marks, and practise matched Exam Vault questions with AI marking.

Original Exam Vault questions with AI markscheme feedback for this topic.

Switch paper
  • 9questions
  • 53marks
  • 17question parts
  • 14micro-topics

What this paper tests

Mark distribution

  • Computer fundamentals42%
  • Programming32%
  • Networks15%
  • Computational thinking11%

Hardest areas (by marks)

  1. 1.Tracing flowcharts6 marks
  2. 2.Arrays and lists6 marks

Question types

construct: 29%explain / justify: 24%write down / state: 18%identify: 12%0%
  • construct29%
  • explain / justify24%
  • write down / state18%
  • identify12%

0% of parts are show / prove.

View all Computer Science SL past papers →

Questions in this paper

Open a question to see what each part tests, how often that micro-topic comes up, and practise matched questions.

Where to go next

Good to know

Can I download Computer Science SL May 2026 TZ3 Paper 1 here?

No. The paper and its mark scheme belong to the IB and are not reproduced. This page gives the structure of every question (marks, command term, micro-topic, the skill tested), the exam analysis, and practice questions we wrote to test the same skills. Subscribers can also open our summary of how each part's marks are awarded.

Which topics dominate May 2026 TZ3 Paper 1?

Computer fundamentals 42% (typical 18%), Programming 32% (typical 19%), Networks 15% (typical 16%).

How do I practise this paper without the paper?

Press "Practise similar" on any question. We open questions matched by micro-topic, command term and mark range with model answers and AI marking, then bring you back here.

Want to practise the skills from this paper?

Open original Exam Vault questions matched by topic, marks and command term, with AI marking and step-by-step feedback.

All Computer Science SL past papers