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To boost activity on the desktop version, a daily quiz campaign is launched starting today: participants earn +2 wealth points for taking part, and an additional +3 wealth points for answering correctly. This initiative aims to enhance the atmosphere on this platform, promote basic computer knowledge, and offer users some wealth rewards. A small flower is awarded for the first correct answer~~ Multiple-choice question: The UPS used in a computer room refers to ( ). A. Regulated power supply B. High-precision power supply C. Uninterruptible power supply D. Self-generating power supply Answer: C Uninterruptible power supply. Reply with the answer you think is correct; participating in the quiz earns +2 wealth points (points are added automatically according to the rules; no additional points or comments will be given if your answer is incorrect). +3 more wealth points will be awarded if all questions are answered correctly, and additional points will be given for providing detailed explanations or analyses of the questions and answers. The answer will be visible after the reply. Note: We will close this post after 24 hours. For past posts on the Daily Question, please refer to the compilation post: http://bbs.hcbbs.com/thread-1432650-1-1.html What kind of content do you prefer for the Daily Question? Basic knowledge of computer hardware and software? Excel operations? Camera parameters? Or, in addition to answering the questions, feel free to share your suggestions for the daily question