Yes and as memory increases more of the high bits are used as actual address bit... | Hacker News

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jdsully on Nov 8, 2019 | parent | context | favorite | on: 1984, the Year of the 32-bit Microprocessor (1984)

Yes and as memory increases more of the high bits are used as actual address bits. X64 started with 40 physical bits. We’re now at 48.

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