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Which type of memory device uses light to store data?a)Electronic Memoryb)Magnetic Memoryc)Mechanical Memoryd)Optical MemoryCorrect answer is option 'D'. Can you explain this answer? for Class 4 2025 is part of Class 4 preparation. The Question and answers have been prepared according to the Class 4 exam syllabus. Information about Which type of memory device uses light to store data?a)Electronic Memoryb)Magnetic Memoryc)Mechanical Memoryd)Optical MemoryCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 4 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which type of memory device uses light to store data?a)Electronic Memoryb)Magnetic Memoryc)Mechanical Memoryd)Optical MemoryCorrect answer is option 'D'. Can you explain this answer?.

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