Intermediate
How an ALU Works: Build a 1-Bit Arithmetic Logic Unit
Learn how an ALU works inside a CPU using logic gates, adders, two's-complement subtraction, multiplexers, control signals, and status flags.
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Intermediate
How Logic Gates Work: Build an 8-Bit Binary Adder and Memory Circuit
Learn how logic gates work, build half-adders and full-adders, create an 8-bit ripple-carry adder, and understand latches, flip-flops, and memory.
Intermediate
How Transistors Work: Semiconductors, Doping, and MOSFETs Explained
Learn how transistors work inside CPUs, from silicon and semiconductor doping to N-type, P-type, MOSFET channels, binary logic, and transistor history.