Computer - Architecture (family)
About
Computer Architecture is a set of three components that describe:
- the functionality: Instruction Set Architecture design (highest-level) - runtime that implements a instruction set
- the organization: Computer Organization (microarchitecture) design (middle-level) - the functional view of the design of a computer
- the implementation: Hardware (lowest-level) - implementation - the hardware component
The term architecture refers often in the literature to the Instruction Set Architecture. For instance, an X86 architecture must be read an X86 Instruction Set Architecture.
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Sames ISA different Organization
Two computers may have the same ISA, but different organizations. Both AMD and Intel processors implement x86 ISA, but the hardware components of each processor that make up the environments for the ISA are not the same.