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Terms and Concepts


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Apple Macintosh SE/30

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The path along which the computer transmits the addresses of specific memory locations. The width of the bus determines how much memory the processor can address and use directly. 

The 32-bit address bus of the Macintosh SE/30 and Macintosh II family of computers allows the processor to access 4.3 billion memory addresses. This is 250 times as much memory as computers with a 24-bit bus can address 
(such as most MS-DOS AT-compatible computers).

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What is an Address Bus?