BetterDL
Learn Digital Logic without losing your mind.
An interactive, step-by-step way to learn Digital Logic, practice the concepts, and prepare for exams. One idea at a time, with immediate feedback on every answer.
The first 3 topics are free, no account needed. Unlock all 14 topics for a one-time $60 payment.
One concept at a time
Short steps, never walls of text. Each idea is followed by a question that checks it.
Feedback that teaches
Get something wrong and you'll see why, like why is just .
Exam-style practice
Practice exams for every topic, scored at the end with a full review of what you missed.
Free to start
- 01Number SystemsBinary, hexadecimal and octal, converting between bases, binary addition and subtraction, unsigned ranges, two's complement, sign extension and overflow.
- 02Boolean AlgebraBoolean variables and operators, truth tables, the laws of Boolean algebra, De Morgan's laws and step-by-step simplification.
- 03Logic GatesAND, OR, NOT, NAND, NOR, XOR and XNOR: symbols, truth tables and expressions, universal gates, and reading multi-gate circuits and waveforms.
Ready for the rest of the course?
One payment of $60 unlocks every topic and practice exam. Full refund within 14 days.