Online Little Man Computer - CPU simulator
Documents
In this section...
CPU Fetch-Decode-Execute Animation
Computer Science Homework (years 7, 8 and 9)
See also...
Operating Department Practitioner (ODP)
Apprenticeships, Further Education, Higher Education
Explore...
The Misleading Ending of Whiplash
Hartismere Art & Photography Exhibition 2025
Candidate Information - Written exams
GCSE CS: 1.6 Social Engineering Excerise
New...
CABARET THE MUSICAL. London. Y9-13. Weds 15th April 2026- Only a few places left
Print Exhibition at Wingfield Barns
Discover...
GCSE CS LMC Programming ICT Computer Science GCSE A Level Computing The Wave Robmiles.Com LMI exhibition The Guardian Economics Student Information Local Art Gallery CIEAG Hartismere Digital Test Ingredients Apprenticeships Belong Core Maths
Uh-oh - we were unable to load our website on your browser so we're showing you a plain HTML version.
We use many features found in modern browsers and regrettably yours seems incompatible.
However this legacy version contains (very, very nearly) all the same content. Each page is rendered on our server and doesn't rely on any browser features except the odd font. It doesn't even need Javascript or fancy CSS. It's like being in 1995!
Your browser is reporting itself to us as Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com). Please consider updating your browser to make the most of our website.
If you would like to try our proper website again - you can do so here...