image creditEveryone knows what a computer is, right? It's electronic, high-tech and digital. It only existed for the last 50 or 60 years. It has defined the word 'modern' in 'modern world.' And it's given hackers a useful role to play in big-budget action movies.
But computers actually date back thousands of years. Here are a handful of the most interesting predecessors to the modern PC, and what folks in olden times used them for.
