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IB Computer Science SL — The Parts That Are Not in the Other Papers

The 30% of IB Computer Science SL that no other exam course covers. The internal assessment as a project with a mark scheme: criteria A to E, measurable success criteria, and the evidence discipline criterion D actually pays for. Object-oriented programming as the papers assess it, with class diagrams read and drawn. Machine learning at SL depth, with the training-and-test split demonstrated in runnable code. The pre-seen case study, and Paper 2's rules — including the questions that ban the built-in functions your habits lean on.

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IB Computer Science SL — The Parts That Are Not in the Other Papers

Tóm tắt

An IB Computer Science SL student is examined on three things a GCSE or IGCSE course never touches, and they are worth more than half the grade. The internal assessment alone is 30%, it is marked against five published criteria, and it is finished before the exam room opens. Object-oriented programming is core. So is machine learning. A learner who prepares from a Cambridge-shaped course gets a solid 70% of the syllabus and no coverage at all of the part that decides the level 6. This segment is the missing 30%, and only that. It does not teach trace tables, searching, sorting, binary or databases — those live in the other exam segments and are named where you need them. What it does teach: how to write success criteria an examiner can actually mark, and how criterion D's twelve marks are earned across weeks rather than claimed in a final write-up. What a class is, what an object is, and how an inheritance question is marked. What supervised learning actually is, why the test data is held back, and what a model that memorised its training set looks like when it meets a value it has never seen — shown in code you run, not in a diagram. And the two papers themselves: the case study you are given in advance and should annotate to death, and the Paper 2 questions that print *do not use built-in functions* above the answer space. Written against the IB Computer science guide with first assessment in 2027 — the current course, with themes A and B, the computational solution IA and the case study in Paper 1. If you are retaking under the outgoing syllabus in November 2026, the IA discipline, the OOP module and the question technique carry over; the paper-structure notes tell you where your session differs. Every question and scenario in this segment is original, written in the style of IB questions. No past paper, markscheme or subject-guide text is reproduced, and Korra Academy is not affiliated with, or endorsed by, the International Baccalaureate Organization or any exam board.

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01 The Internal Assessment
3 bài học·1h 36m

Thirty percent of the grade is decided before the exam room opens, and it is the only part of the course where the mark scheme is published, in full, before you start. Almost nobody reads it before…
02 Objects, as the Paper Sees Them
3 bài học·1h 38m

OOP is core under the current guide, and it is the topic where a Python-trained learner's habits look strongest and score worst. Writing a class that works is not the assessed skill. Saying what a…
03 Machine Learning at SL Depth
3 bài học·1h 31m

This is the topic that exists in no other school syllabus, so every learner arrives with either nothing or with vocabulary from the internet, and the vocabulary is worse than nothing because it…
04 The Two Papers
3 bài học·1h 41m

The IB hands you part of the exam months early and most candidates read it twice and call that preparation. The case study lesson treats it as a working document: five passes, each leaving marks on…

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Tôi sẽ học gì trong IB Computer Science SL — The Parts That Are Not in the Other Papers?: The 30% of IB Computer Science SL that no other exam course covers. The internal assessment as a project with a mark scheme: criteria A to E, measurable success criteria, and the evidence discipline criterion D actually pays for. Object-oriented programming as the papers assess it, with class diagra
Tôi có cần kinh nghiệm trước đó không?: Nên có một số kiến thức trước đó trước khi bắt đầu IB Computer Science SL — The Parts That Are Not in the Other Papers.
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Thêm trong Lập trình

Beginner Binary, Hex and Data Units The topic that costs more marks than any other on the paper, taught by hand. Bits and bytes, binary and hex in all six directions, the 1000-versus-1024 trap, file sizes, transmission times, overflow, two's complement and character sets. Every module ends in a timed drill marked the way an examiner marks it.

Beginner Python From a White Sheet The exact sequence nine students have already walked, from a blank file to a program that asks questions, checks the answers and refuses bad input. No prior programming. No maths. You will break it repeatedly, on purpose.

Beginner First Program — Scratch for ages 5–9 Nine Scratch blocks, three sessions of about twenty-five minutes, and one small program a child of five to nine builds themselves. Written for the parent sitting beside them: what to click, what they will get stuck on, what to say when it goes wrong, and when to keep your hands off the mouse.

Beginner AI Without the Hype What the model is actually doing when it answers you, why that produces something that looks like thinking, why it invents citations, and the cost mechanic almost nobody explains: a chat resends the entire conversation on every single turn. You will do the arithmetic yourself.

Intermediate IGCSE and GCSE Computer Science — Theory That Actually Gets Marked The theory half of the paper, taught so it survives the exam room. The memory hierarchy and what actually happens at boot. Compilers, interpreters and assemblers, including the answer that sounds right and scores nothing. Databases from a spreadsheet up to keys and normalisation. DNS and the full path between pressing Enter and seeing the page. Systems software, and the ethical and legal section that is the easiest ten marks on the paper.

Intermediate Programming for the Exam — Python Answers That Score The programming half of the paper, taught at exam pitch. Pseudocode translated both ways, because the mark scheme is written in a notation nobody practises. Trace tables done column by column, including the ones with a loop and a condition inside it. Linear and binary search, bubble and insertion sort, what each costs and the comparison questions boards love. Validation against verification, and the boundary test data everybody forgets. Procedures against functions, and a systematic method for finding your own error with four minutes left.