Home of real teaching & learning
  • Full support for teachers
  • Focus on critical thinking
  • Engaging classroom activities
  • Integrated student eBook
  • Assessed tasks / qBank
  • Practice exam questions
Find out more Download brochure

The InThinking Guarantee: Our sites are written by expert practitioners and not by AI

See our AI policy

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Don't miss out, find out!
Recommendations
Read what users are saying about the site.
Site authors
Michael
Anna
IB Approved Workshops
Computer Science
IB DP Category 1

Paris, France, 13 - 15 November 2026

Find out more
Computer science (New Syllabus)
IB DP Category 2

Paris, France, 19 - 21 February 2027

Find out more
Virtual Think-Ins
Crash Course: Computer Science for New DP Teachers

22 - 23 October 2026

Find out more
Keys to Success: The IA in DP Computer Science – Planning, Managing & Feedback

27 October 2026

Find out more
Keys to Success: The IA in DP Computer Science – Assessment

30 October 2026

Find out more

Find all InThinking events at
inthinking.net

InThinking

Supporting international schools with high quality PD & interactive online resources

Dynamic
Creative
Personal
About us
Visit our hub website

Subscriber comments

See all

  • Zainab

    19 Oct 2026

    Hi. In the appendix, screenshots for codes can be used? 

    Internal Assessment

  • Leulseged

    19 Oct 2026

    Is it possible to share a complete sample of Crit B document?

    Criterion B: Planning

  • Michael

    Site author
    18 Oct 2026

    Hi Daiva Thank you for the question. No, neither is included. The 2027 guide does not mention fixed-point representation or the representation of negative integers (two’s complement, sign and magnitude) in A1.2.1 or A1.2.2. The TSM or the specimen...

    A 1.2.1-2 Representing Data (Archive)

  • Michael

    Site author
    16 Oct 2026

    Thanks, Mairi, good request. A messy spreadsheet is now on the page in Excel and CSV form, with a task sheet for students. The first seven rows match the slide, so the existing solutions slide still works, and the extra rows and columns let students...

    A 4.2.1 / A 4.2.2 Data cleaning and feature selection

Help