Brain › Science: GadgetsWhen did the CD begin to appear on the consumer market?1992197219821962AnswerThe correct answer is C) 1982.More Science: Gadgets questionsWhen was the iPhone released?Which virtual assistant is developed by Amazon?Which gaming console is developed by Sony?Which of the following is not a type of computer mouse?What is the SI unit for resistance?When was the DVD invented?Play Brain · Practice