Which of the following best names the concept in which the component that converts mains electricity into usable power for computer components?
Difficulty: Medium
About this MCQ
This Medium Computer Hardware question asks: Which of the following best names the concept in which the component that converts mains electricity into usable power for computer components? The correct choice is C. Power supply unit (PSU). Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
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- A. HDD
Why not A: “HDD” does not fit this question. The answer is Power supply unit (PSU).
- B. Optical drive
Why not B: “Optical drive” does not fit this question. The answer is Power supply unit (PSU).
- C. Power supply unit (PSU) ✓
- D. Multi-core processor
Why not D: “Multi-core processor” does not fit this question. The answer is Power supply unit (PSU).
Correct answer
C. Power supply unit (PSU)
Explanation
Power supply unit (PSU) is the term that matches “Which of the following best names the concept in which the component that converts mains electricity into usable power for computer components” (option C). Option A (HDD) does not fit this question. Option B (Optical drive) does not fit this question. Option D (Multi-core processor) does not fit this question. For this Computer Hardware question, the accepted answer is Power supply unit (PSU).
Source: Computer Hardware Official Reference Guide
Tags: computer science, hardware, computer components, PC hardware
Submitted by: MCQsHub Editorial
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