Conclusion

In this unit I’ve introduced several aspects of our increasingly digital lives. You’ve heard about the ever more significant role that digital technologies are playing in our information society, in areas ranging from entertainment to public services. Along with the opportunities available in the online world, you’ve also been introduced to some of the potential problems and how to avoid them.

I then went on to look inside a typical desktop computer and considered it, not as a collection of wires, power supplies and electrical circuits, but as a collection of functional components connected by wired data buses used to exchange symbolic data through appropriate standard interfaces.