This TV programme about Britain's influence on technology in the 1980s is well worth a watch:
'Made in the 80s: Decade That Shaped Our World' - Episode 3

Features the development story of the Sinclair, BBC Micro etc.

Available on All4 for the next few weeks:
https://www.channel4.com/programmes/made-in-the-80s-decade-that-shaped-our-world?cntsrc=social_share_ios_made_in_the_80s_decade_that_shaped_our_world