KHub Edx vs A

KHub EdX is an app that brings you success and knowledge through online courses. Explore a wide range of courses designed to enhance your coding skills and more. The app features a convenient pop-quit program, allowing you to easily pause and resume your learning. Additionally, you can engage in discussions with teachers to further enhance your understanding.

A-Level Computer Science Revision helps you master Theory and Algorithms with original multiple-choice questions, timed mocks, algorithm-tracing drills, and clear explanations — built for focused daily study. WHY STUDENTS USE IT • 2,000+ original questions across data structures, algorithms & complexity, computational thinking, programming paradigms, computer architecture, networks, databases, Boolean algebra and theory of computation • Theory mode and Algorithms mode — switch anytime • Timed mock papers (40 questions, 50 minutes) with topic breakdown • Quick practice, practice by topic, algorithm-tracing drills, weak-area review • Review incorrect answers and bookmarks • Flashcards with spaced repetition • Progress dashboard: readiness %, topic mastery, mock trend, streak, exam countdown • Fully offline after download — no account required BUILT FOR REAL REVISION Practise the skills A-Level papers reward: tracing pseudocode, comparing Big-O, simplifying Boolean expressions, modelling networks and databases, and explaining architecture trade-offs. Every question includes a detailed rationale so mistakes become learning. SUBSCRIPTION & LIFETIME Full access requires purchase. Privacy Policy: https://joykhansayan1.github.io/alevel-computer-science-revision/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ DISCLAIMER Independent study aid. Not affiliated with, endorsed by, or connected to AQA, OCR, Pearson Edexcel, WJEC, CCEA, or any exam board. Original practice content only — does not reproduce official past papers. Does not guarantee any grade. © 2026 MD Shahariar Nazim Joy