Multiple choice Which of the following is true? If while executing a program the power goes off all the instructions and data in the memory will be lost A PC/XT uses a 80186 microprocessor whereas a PC/AT uses a 80286 microprocessor Both None of these Reveal answer Fill a bubble to check yourself A Correct answer Explanation RAM is volatile memory, meaning it requires constant electrical power to maintain stored data. When power fails, all data in RAM is lost permanently. Option B is incorrect because PC/XT used the 8088 processor, not 80186.