Information Theory Basics

Practice information theory with 160 explained questions, FSRS review, and mock exams.

Information Theory Basics is an independent study app for building confidence with core ideas in information theory through focused practice.

Designed for students, self-learners, engineers, and interview prep, it includes 160 questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. Every question includes an explanation so you can review the reasoning, not just memorize answers.

Features:

• FSRS spaced-repetition intervals for smarter review
• Weak-point heatmap to spot topics that need work
• Daily challenge for consistent practice
• Mock exams for timed review
• Offline practice for studying anywhere
• No login required

Use it to review entropy, mutual information, channels, coding intuition, compression, noisy communication, and common reasoning mistakes.

Practice offline, no login required.

Independent study app for Information Theory Basics practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.