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Computer-System Architecture ï® Most systems use a single general-purpose processor (PDAs through mainframes) ï¬ Most systems have special-purpose processors as well ï® Multiprocessors systems growing in use and importance ï¬ Also known as parallel systems, tightly-coupled systems ï¬ Advantages include ï¬ 1. Increased throughput 2. Economy of scale 3. Increased reliability â graceful degradation or fault tolerance Two types 1. Asymmetric Multiprocessing 2. Symmetric Multiprocessing CS 446/646 Principles of Operating Systems 1.19
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