The Instruction Set Architecture of a computer refers to
Understand the Problem
The question is seeking to clarify the definition of an Instruction Set Architecture (ISA) in computing. It discusses multiple aspects of computer architecture and aims to identify which statement correctly defines ISA.
Answer
The ISA defines how software controls the CPU and the instructions a processor can execute.
The instruction set architecture (ISA) of a computer refers to the abstract model that defines how software controls the CPU. It serves as the interface between hardware and software, specifying the set of instructions a processor can understand and execute.
Answer for screen readers
The instruction set architecture (ISA) of a computer refers to the abstract model that defines how software controls the CPU. It serves as the interface between hardware and software, specifying the set of instructions a processor can understand and execute.
More Information
ISAs are crucial in defining the capabilities and instructions of CPUs, influencing software compatibility and performance.
Tips
A common mistake is confusing ISA with microarchitecture, which refers to the physical implementation of the processor.
Sources
- Instruction set architecture - Wikipedia - en.wikipedia.org
- The Basics of Instruction Set Architecture | Lenovo US - lenovo.com
- Instruction Set Architecture - (Intro to Computer Architecture) - Fiveable - fiveable.me
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