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Chapter 1: PA-RISC Architecture from HP

PA-RISC stands for Precision Architecture, Reduced Instruction Set Computing; RISC contrasts with CISC. Hewlett-Packard was the first computer company bold enough to replace their entire CISC machine families with RISC machines and migrate their users to the new, faster architecture. When HP attempted this it was revolutionary: now RISC is the conventional design for new high-speed chips. A good way to learn about PA-RISC is to read the excellent book Beyond RISC.

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