What does Instruction set architecture (ISA) refer to?
- A. The set of instructions a processor can execute, defining the interface between hardware and software. ✓
- B. The simultaneous use of multiple processors or cores to perform computations faster.
- C. A communication system that transfers data between components inside a computer.
- D. A layered arrangement of progressively larger and slower memory levels used to balance speed and cost.
Correct answer
A. The set of instructions a processor can execute, defining the interface between hardware and software.
Explanation
Instruction set architecture (ISA) refers to the set of instructions a processor can execute, defining the interface between hardware and software.