45-bit computing

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In computer architecture, 45-bit integers, memory addresses, or other data units are those that are 45 bits wide. Also, 45-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures are those that are based on registers, address buses, or data buses of that size.

Computers designed with 45-bit words are quite rare. One 45-bit computer was the Soviet Almaz [ru] ("Diamond") computer.^[1]

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