The prefix peta refers to numbers of the magnitude 10 to the 15th power, a million billion, and that’s what they’re talking about in the computer world these days.
Yes, it is doing my head in too – and I’m marginally well hooked into this stuff. But if you want to understand what’s happening, I’d reckon you should read this article. I’ve read it three times and think I’ve almost got a handle on it.
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