How can a 64-bit processor address 2^64 different memory locations at a time? - Techist - Tech Forum

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Old 11-04-2018, 09:01 AM   #1 (permalink)
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Default How can a 64-bit processor address 2^64 different memory locations at a time?

This topic didn't seem to fit in other categories so I post it here.

I understand that a 64-bit processor can hold a 64-bit long address and that a 64-bit address can represent 2^64 different values. But I don't understand why that processor can address 2^64 different locations in memory at one time and thus process billions of billions of GB at a time (theoretically).

I haven't found a satisfying answer on google. On google they just explain that a 64-bit address can represent 2^64 different values and thus it equates to the processor being able to process 2^64 values (or memory locations) at a single time, though I am interested in as much detail as possible regarding how exactly that looks like.

64-bit address means for me that this address can have one of 2^64 possible values and not that it can process 2^64 at a time. Lol.
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