Which of the following best describes the purpose of an instruction set in a…
2025
Which of the following best describes the purpose of an instruction set in a computer system?
- A.
It specifies the layout of the operating system's file system.
- B.
It serves as a contract between hardware and software, defining supported operations.
- C.
It provides a high-level interface for system calls.
- D.
It defines the syntax of programming languages used by developers.
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Correct answer: B
An Instruction Set Architecture (ISA), commonly referred to as an instruction set, is the part of the computer architecture that is visible to a programmer or a compiler writer. It acts as an abstract interface layer.