SimCom is a model computer for showing how computers work at the lowest level.

You'll find it in the Activities Section or by clicking on this link.

You may not be able to use it on a mobile device but you can see it working by tapping on the heading.

This will load up my program to generate the prime numbers.

Tap "RUN" and watch the primes appear in the "Output" box.

1. Getting Started
2. Eight Tasks