What does Instruction set architecture (ISA) refer to?
Difficulty: Hard
About this MCQ
This Hard Computer Architecture question asks: What does Instruction set architecture (ISA) refer to? The correct choice is A. The set of instructions a processor can execute, defining the interface between hardware and software.. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Computer Architecture items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Computer Architecture so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Computer Architecture item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- 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.
Why not B: “The simultaneous use of multiple processors or cores to perform computations faster.” does not fit this question. The answer is The set of instructions a processor can execute, defining the interface between hardware and software..
- C. A communication system that transfers data between components inside a computer.
Why not C: “A communication system that transfers data between components inside a computer.” does not fit this question. The answer is The set of instructions a processor can execute, defining the interface between hardware and software..
- D. A layered arrangement of progressively larger and slower memory levels used to balance speed and cost.
Why not D: “A layered arrangement of progressively larger and slower memory levels used to balance speed and cost.” does not fit this question. The answer is The set of instructions a processor can execute, defining the interface between hardware and software..
Correct answer
A. The set of instructions a processor can execute, defining the interface between hardware and software.
Explanation
The set of instructions a processor can execute defining the interface between hardware and software option A is the accepted answer to What does Instruction set architecture ISA refer to Option B The simultaneous use of multiple processors or cores to perform computations faster does not fit this question Option C A communication system that transfers data between components inside a computer does not fit this question Option D A layered arrangement of progressively larger and slower memory levels used to balance speed and cost does not fit this question For this Computer Architecture question the accepted answer is The set of instructions a processor can execute defining the interface.
Source: Computer Architecture Official Reference Guide
Tags: computer science, hardware, computer architecture, CPU design
Submitted by: MCQsHub Editorial
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