CS Revision vs CS Wizard

CS Revision helps you revise IB Diploma Computer Science in one focused place: learn a topic, practise it, then review what you got wrong until it sticks. LEARN EVERY TOPIC STEP BY STEP • 27 structured topics across Theme A, Theme B and the course components • Clear explanations, key ideas, worked examples and tables • Code examples in Python or Java, with syntax highlighting. Choose your language once. • Standard Level and Higher Level: HL-only material is labelled and can be hidden • Search, filter and bookmark topics PRACTISE WITH ORIGINAL QUESTIONS • Over 1,100 original practice questions written for this app • Single-answer, multiple-answer, code-output and short-answer questions • Instant feedback with an explanation for every question • Quick practice, topic practice and timed Theme A and Theme B practice sets • Report any answer that looks wrong straight from the question REVIEW AT THE RIGHT TIME • A spaced-review queue brings back questions just before you are likely to forget them • Progress charts, topic mastery and your weakest topics at a glance • A Due Review widget for your Home Screen • Optional daily practice reminders at a time you choose ASK THE QUESTION COACH Ask a follow-up about the lesson or question you are studying. The Question Coach uses Apple Intelligence on your device, so your questions are not sent to the developer or saved. It needs an iPhone or iPad that supports Apple Intelligence, with Apple Intelligence turned on. Responses are generated and can contain mistakes, so check them against the lesson. PRIVATE BY DESIGN • No account or sign-in • Your study profile and progress can sync between your iPhone and iPad through your own private iCloud • No advertising, no tracking and no third-party analytics • Export your progress or reset it at any time FREE AND FULL ACCESS Free: a selection of lessons and practice questions with explanations, up to three due review questions at a time, and one Question Coach conversation. Full Access (one-time in-app purchase): every lesson and question, unlimited practice and review, timed practice sets and unlimited Question Coach conversations. It is a single purchase with no subscription, and you can restore it on your other devices. CS Revision was developed independently from, and is not endorsed by, the International Baccalaureate (IB). International Baccalaureate and IB are registered trademarks of the International Baccalaureate Organization. All lessons and questions are original study material. They are not official IB examination questions or markschemes. Use the app alongside your teacher's guidance and the official course materials from your school. Terms of Use: https://grigor-dochev.github.io/ib-cs-revision-help/terms/

Everything for OCR A-Level Computer Science (H446) in one app: notes, flashcards, exam questions, timed mock exams, revision games and step-by-step tools. Written by an A-Level Computer Science teacher, and all of it works offline. REVISE • Clear notes for all 24 specification topics, from processors to algorithms • 378 flashcards, with definitions written around what the mark schemes credit • Search every topic, term and question in one place REMEMBER • Daily Deck: a short set of cards each day, chosen by spaced repetition so each term comes back just before you would forget it • Rate your confidence and watch every topic move from Unfamiliar to Mastered • Quick Review goes straight to your weakest terms • Flashcards can be read aloud, and an optional daily reminder keeps your streak going PRACTISE FOR THE EXAM • Nearly 300 past-paper and practice questions, each with its mark scheme • Mark your own answers and see which topics are costing you marks • Mock Exam: a timed paper of 20, 70 or 140 marks built from your weaker topics, then marked question by question with a breakdown by topic SIX GAMES THAT MAKE IT STICK • Binary Blitz: convert between binary, denary and hexadecimal against the clock • Memory Pairs and Match: pair each term with its definition • Speed Round: does this definition match this term? Sixty seconds • Order It: put the steps of a process in the right order • Sort It: drop each item into the group it belongs to 19 TOOLS THAT SHOW THE WORKING Step through the methods the exam asks you to trace, one line at a time: • Processor: the fetch-decode-execute cycle and scheduling • Binary: denary, binary and hexadecimal conversion, two's complement, addition and subtraction, floating point, shifts and masks • Data structures: stacks and queues, binary search trees, hash tables • Algorithms: linear and binary search, bubble, insertion, merge and quick sort, Dijkstra's shortest path • Logic: Karnaugh maps and truth tables • Compression: run length encoding and dictionary coding TRACK YOUR PROGRESS • Confidence for every topic and across both papers • Streaks, activity and your exam question scores • A countdown to Paper 1 and Paper 2 MADE FOR IPHONE AND IPAD • Real iPad layouts: sidebar, two columns, keyboard shortcuts and pointer support • Portrait and landscape • Find any term from Home Screen search, start your Daily Deck with Siri, or press and hold the app icon for shortcuts NO SUBSCRIPTION, NO ADS, NO ACCOUNT Buy it once. There is nothing to sign up for, and your progress stays on your device. The companion app to compsciwizard.com. CS Wizard is an independent revision app. It is not affiliated with or endorsed by OCR.