Packing a heady 1KB of RAM, you would have needed many, many thousands of them to run Word or iTunes, but the ZX81 changed everything.
It didn’t do colour, it didn’t do sound, it didn’t sync with your trendy Swap Shop style telephone, it didn’t even have an off switch. But it brought computers into the home, over a million of them, and created a generation of software developers.
Before, computers had been giant expensive machines used by corporations and scientists – today, they are tiny machines made by giant corporations, with the power to make the miraculous routine. But in the gap between the two stood the ZX81.
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