Questions tagged [computer-architecture]

Computer architecture is the abstract description and specification of why, what, and how various hardware and software components are combined to create a computing device. This tag should be used with questions about the relationship between components making up a computer, what components are included or excluded in a computer, how components are connected, what data flows over the connections, and why components and connections are good choices.

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How many bits' address is required for a computer with n bytes of memory?

How many bits of address is required (for the program counter for example) in a byte-addressed computer with 512 Mbyte RAM? What does the formula look like? How is this connected with the fact that ...