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Address bus

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  1. a computer bus, controlled by CPUs or DMA-capable peripherals for specifying the physical addresses of computer memory elements that the requesting unit wants to access (read or write)

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on January 29, 2009
  2. The width of an address bus, along with the size of addressable memory elements, generally determines how much memory can be directly accessed

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on January 29, 2009
  3. For example, a 16-bit wide address bus (commonly used in the 8-bit processors of the 1970s and early 1980s) reaches across 216 (65,536) memory locations , whereas a 32-bit address bus (common in PC processors as of 2004) can address 232 (4,294,967,29

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on January 29, 2009
  4. Some microprocessors, such as the Digital/Compaq Alpha 21264 and Alpha 21364 have an address bus that is narrower than the amount of memory they can address

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on January 29, 2009
  5. clocked faster than the system or memory bus, enabling it to transfer an address in the same amount of time as an address bus of the same width as the address

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on January 29, 2009
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