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Free
$0No account needed
- 3 full topics: Number Systems, Boolean Algebra, Logic Gates
- 549 interactive questions with instant feedback
- 12 practice exams with a detailed review
- Search across the whole course
Full course
Most complete$60One-time payment
- All 14 topics, including Combinational Logic, Boolean Simplification, Karnaugh Maps, Adders and ALUs, Latches and Flip-Flops, Registers, Counters, Finite State Machines, Memory, Timing and Sequential Logic, Basic CPU / Computer Architecture
- 2,490 interactive questions: truth tables, K-maps, circuits, timing diagrams, state machines
- 56 practice exams, each with your answer next to the correct one and a lesson refresher for every miss
- Every future update to the course
- Full refund within 14 days, no questions asked
You'll need an account so the course stays unlocked on any device.
Questions
- Is it really a one-time payment?
- Yes. You pay $60 once and keep access to the full course, including updates. There's no subscription.
- What if it isn't for me?
- Email us within 14 days of buying and you get a full refund, no questions asked. See the refund policy.
- How do I pay?
- Checkout is handled by Lemon Squeezy, our payment partner and reseller. They handle sales tax and send your receipt. Your card details never reach us.
- I have a code from a beta or a class. Where does it go?
- Discount codes go in at checkout. Free access codes go on your account page after you sign in.
- Can I earn money by sharing it?
- Yes. Anyone can get a referral link and earn $20 for every friend who buys the course through it. See the referral program.