Welcome to mode7.co.uk. This is primarily a mail domain for Jim MacArthur.
If you are looking for information on the BBC Micro or Viewdata, I can only redirect you to the wikipedia entries previously linked.
Jim MacArthur's main site is at www.srimech.com. You could also go directly to my blog at srimech.blogspot.com or email me at jim-web@mode7.co.uk.