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On this Day in 1981: Launch of the Sinclair ZX81

Lisa Miles
Okay, own up.... Who had a Sinclair ZX81 and what was the first thing you programmed on it...? ? Keyboard
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    I have got one of those. Built it myself as I was fascinated to see the micro electronic components inside. Still at school, much of the electronics I had exposure to still had thermionic vacuum tubes in them.  May have cleared it out of my mothers loft quite recently. It went with me to university, Big mistake as did not have much credibility with an 8 bit processor. 

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    I have got one of those. Built it myself as I was fascinated to see the micro electronic components inside. Still at school, much of the electronics I had exposure to still had thermionic vacuum tubes in them.  May have cleared it out of my mothers loft quite recently. It went with me to university, Big mistake as did not have much credibility with an 8 bit processor. 

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