address bus

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address bus

An internal channel from the CPU to memory across which the addresses of data (not the data) are transmitted. The number of lines (wires) in the address bus determines the amount of memory that can be directly addressed as each line carries one bit of the address. For example, a 20-line address bus represents the binary number 1,048,576 and reaches that number of memory bytes (the size of the address bus in the IBM PC in 1981). A computer with a 32-bit address bus can directly address 4GB of physical memory, while one with 36 bits can address 64GB.

(processor)

address bus - The connections between the CPU and memory which carry the address from/to which the CPU wishes to read or write. The number of bits of address bus determines the maximum size of memory which the processor can access.

See also data bus.

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To restrict the local entities that give it the feedback it needs for cost-efficient transit will not only reduce the MTA's ability to address bus crowding but promote the autocratic image that resulted in the Consent Decree in the first place.

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The old Parallel ATA bus is, after all, based on the Intel microprocessor interface which uses a parallel Address bus, Data Bus, Read Strobe, and a Write Strobe.

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Configuration options include features around the core such as type and size of caches, interrupts, DSP subsystems, timers and debug components, as well as features within the core such as type and size of core registers, address bus widths, and instruction set options.

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