Processor architecture refers to the design and organization of a computer's central processing unit, determining how it processes instructions and manages data. It encompasses various elements such as instruction set architecture, microarchitecture, and system design, all of which significantly impact the performance and efficiency of computing systems.

Processor Architecture

Processor architecture

design and organization of a computer's central processing unit

how it processes instructions

manages data

Instruction Set Architecture (ISA) is the abstract model that defines the operations, instructions, and data types supported by a computer's processor. It serves as the interface between software and hardware, enabling software developers to write programs that can be executed on any processor implementing that ISA.

instruction set architecture

Microarchitecture refers to the way a given instruction set architecture (ISA) is implemented in a processor, detailing the organization of its functional elements and data paths. It plays a critical role in determining the performance and efficiency of a CPU by optimizing the execution of instructions and managing resources like caches and pipelines.

microarchitecture

System design is the process of defining the architecture, components, modules, interfaces, and data for a system to satisfy specified requirements. It involves a balance between technical feasibility, business needs, and user experience to create scalable, efficient, and maintainable systems.

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