An introduction to the various hardware (equipment) and software (program) types that are commercially available to aid people with different disabilities gain access to general computer resources. The subject will aim to provide an understanding of the benefits and disadvantages of different techniques and methods of optimising equipment benefit. There will also be a strong emphasis on the technical matters associated with switches and interfaces and how to modify, adapt or design new interfaces for use with toys, lights, mobility equipment and/or computers. The final module will consider the key aspects of integration.