His ZX Spectrum computers brought affordable personal computing to the masses - selling in their millions across the world.
However, in a BBC interview in 2013, Sir Clive revealed he did not, at that time, use computers himself.
"I don't like distraction," he explained.
"If I had a computer, I'd start thinking I could change this and that, and I don't want to. My wife very kindly looks after that for me."