bit architecture

基本解释

Addressable memory in a 32-bit architecture versus 64-bit architecture
位体系结构与 64 位体系结构中的可寻址内存
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The issues that we will discuss do not apply to the 64-bit architecture.
我们即将讨论的问题不适用于 64 位的体系结构。
Server platforms that offer more than 32 CPUs are available exclusively on 64-bit architecture.
提供超过32颗CPU的服务器平台，只有在64位架构上是可用的。

The 64 bit architecture has been around for a while but the need to utilize and improve it was when more browsers and applications such as games and work related applications needed more ram. 3 Gigs became not enough and expanding more ram to the home user allowed Windows pcs to do more and not be bogged down.
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Processors will not operate (including 32-bit operation) without an Intel 64 architecture-enabled BIOS. Performance will vary depending on hardware and software configurations.
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