Join us on Wednesday, March 2 at noon Pacific for the Logic Simulation Hack Chat with Al Williams! Many of us probably remember — some fondly, some less so — our first encounter with a truth table.

Anyone using a digital simulator can expect to encounter the dreaded “X” value, but there are few who truly understand its precocious sense of fun. This article tracks the nefarious “X” to its lair ...

A few months ago, a tweet by [Ken Shirriff] asking about simple digital simulators caught my attention. The topic came up again in May when a repair video by [CuriousMarc] featured one such simulator ...