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Local Bus - Definition

A Local Bus is a computer bus that connects directly, or almost directly, from the CPU to one or more slots on the expansion bus. The Local Bus is more or less directly suited to the CPU; it's next door (hence local), has the same bandwidth and runs at the same speed, so the bottleneck is less. The ISA bus was local in the early days. Data is therefore moved along the bus at processor speeds. VESA Local Bus, which was later succeeded by AGP, is an example of a local bus design. Today, the Peripheral Component Interconnect (PCI) bus is the standard expansion bus used in modern PCs.


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