The computer, at its core, is an input-output device: it receives instructions, executes programmes, performs calculations automatically and produces results.
By this fundamental definition, China’s ancient ti hua ji, or figured loom – dating back more than two millennia to the Western Han dynasty – may well be recognised as the world’s earliest computer, according to the China Association for Science and Technology (CAST).
Unearthed in 2012 from a tomb dated around 150BC in Chengdu, this…
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