Survey Of Simple Logic Simulators

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 called Logisim-evolution. It made me want to take a fresh look on what’s out there and which features set the different simulators apart.

So today, let’s take a quick survey of a few such simulators that I found. I’m focusing on plain logic simulators, analyzing ones and zeros using Boolean logic. They are not doing SPICE-like analog analysis of transistor logic gates, but they’re still quite handy for proofing out designs.


Logicsim from 1983 is the oldest one on our list, developed by Wun Chin Kau and Douglas Jones in support of computer science lab classes at the University of Iowa Computer Science department. It is a text-based simulator, open source for personal and

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The most anticipated game announcements of E3 2021

Video games are the main headliners at the annual Electronic Entertainment Experience (E3) and there’s plenty of potential game announcements to be excited about including those for titles such as Legend of Zelda: Breath of the Wild 2, Halo Infinite and Battlefield 2042.  
YouGov partnered with TechRadar to preview excitement among console/PC gamers in the US and Great Britain for potential video game announcements at E3 2021. The votes are now in and Link’s next adventure, The Legend of Zelda: Breath of the Wild 2, captured the top spot as the most anticipated game among American (32{13aab5633489a05526ae1065595c074aeca3e93df6390063fabaebff206207ec}) and British (19{13aab5633489a05526ae1065595c074aeca3e93df6390063fabaebff206207ec}) gamers. 
What other titles are American gamers most excited for? In the US, gamers are also excited about the upcoming sequel to God of War (21{13aab5633489a05526ae1065595c074aeca3e93df6390063fabaebff206207ec}) as well as Battlefield 2042 (20{13aab5633489a05526ae1065595c074aeca3e93df6390063fabaebff206207ec}) and Halo Infinite (18{13aab5633489a05526ae1065595c074aeca3e93df6390063fabaebff206207ec}). More than two-thirds of American gamers say they’re excited about at least one of
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Rand Paul calls planned Fauci book ‘science fiction’

Sen. Rand PaulRandal (Rand) Howard PaulFauci to Chelsea Clinton: The ‘phenomenal amount of hostility’ I face is ‘astounding’ GOP’s attacks on Fauci at center of pandemic message Fox host claims Fauci lied to Congress, calls for prosecution MORE (R-Ky.) on Thursday called Anthony FauciAnthony FauciDelta variant’s UK dominance sparks concerns in US Overnight Health Care: FDA says millions of J&J doses from troubled plant must be thrown out | WHO warns Africa falling far behind in vaccinations | Top CDC official says US not ready for next pandemic Top CDC official warns US not ready for next pandemic MORE‘s planned book on the coronavirus pandemic “science fiction.”

The book developed by National Geographic, titled “Expect the Unexpected: Ten Lessons on Truth, Service, and the Way Forward,” was taken off Amazon and other sites as a spokesperson told The Hill it “was prematurely posted for pre-sale.”


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