What is the function or purpose of Power supply unit (PSU)?
Difficulty: Medium
About this MCQ
This Medium Computer Hardware question asks: What is the function or purpose of Power supply unit (PSU)? The correct choice is C. The component that converts mains electricity into usable power for computer components.. 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. Small, fast memory located close to the CPU that stores frequently used data to speed up processing.
Why not A: “Small, fast memory located close to the CPU that stores frequently used data to speed up processing.” does not fit this question. The answer is The component that converts mains electricity into usable power for computer components..
- B. A specification defining the physical size and layout of a motherboard.
Why not B: “A specification defining the physical size and layout of a motherboard.” does not fit this question. The answer is The component that converts mains electricity into usable power for computer components..
- C. The component that converts mains electricity into usable power for computer components. ✓
- D. A standardized hardware interface used to connect peripheral devices and transfer data or power.
Why not D: “A standardized hardware interface used to connect peripheral devices and transfer data or power.” does not fit this question. The answer is The component that converts mains electricity into usable power for computer components..
Correct answer
C. The component that converts mains electricity into usable power for computer components.
Explanation
The component that converts mains electricity into usable power for computer components is the value that answers What is the function or purpose of Power supply unit PSU option C Option A Small fast memory located close to the CPU that stores frequently used data to speed up processing does not fit this question Option B A specification defining the physical size and layout of a motherboard does not fit this question Option D A standardized hardware interface used to connect peripheral devices and transfer data or power does not fit this question For this Computer Hardware question the accepted answer is The component that converts mains electricity into usable.
Source: Computer Hardware Official Reference Guide
Tags: computer science, hardware, computer components, PC hardware
Submitted by: MCQsHub Editorial
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