system
A chat on /r/wallstreetbets
human
&gt;Tandy 
  
 I remember the Tandy we had when I was a kid needed a boot disk to run DOS

gpt
Very popular PC in the 80's made by Radio Shack.  don't know  where the one guy got 'British' from. 
  
 And yes almost all of them required a boot disk. Very few home PC's had Hard drives back then.