Hartismere School

Est. 1451. An outstanding coeducational secondary school & sixth form college and England's first academy

Home Login

CPU Fetch-Decode-Execute Animation

In this section...

Binary addition 1

Sorting Visualiser

Programming

GCSE Computer Science

Online Little Man Computer - CPU simulator

I Belong: encouraging girls into computer science programme

Toyota Virtual Plant Tour

Revision for computer science

Essential programming skills to learn

Binary addition 2

See also...

Student resources

Sport and PE

'Green' Careers that benefit the environment

Personal Development

Apprenticeships, Further Education, Higher Education

Design & Technology Trips

Medicine, Health & Social Care

Week beginning 12 Feb 2024: 'Life Lessons'

Professional Services

Mathematics

Explore...

Dracula, 1931 - Don't look in the mirror

Learnit: BIOLOGY - MCQs - Reproduction, Meiosis & Genetics

MegaProcessor - the largest CPU in the world

Candidate Information - Coursework Assessments

Examinations

Whiplash Final Scene - Andrew Neyman's Performance

BBC Bitesize - GCSE English Literature - Macbeth

The GCSE Survival Guide - a free handbook for parents — Tassomai

Macbeth (Shakespeare) - Thug Notes Summary and Analysis

The Wave - Wenger

New...

Chicago Teen edition - tickets available soon

8S1 25/02/26

Examination Arrangements: Summer 2026

Chicago tickets now on sale

8y4 Gradients

March 2026 Year 11 Mocks

Summer 2026 Examinations

Duke of Edinburgh's Award Activity Logs

Discover...

Revision GCSE Computing GCSE CS A Level CS CPU A Level GCSE Computer Science Examinations Cooking LMC Year 9 Options Website Design Year 7 Chemistry ZEN Old Hollywood Creative iMedia Business Studies March Careers Gojimo Theory

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...