ROM (Read-Only Memory) is a non-volatile memory, meaning it retains data permanently even when the computer is turned off. In contrast, RAM is volatile (data is lost when power is off), and CPU is a processor, not a storage device.
Which of the following is a type of non-volatile storage device that is used to store data permanently, even when the power is turned off?
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Question context
This question is part of 💻 Computing within the broader 💾 Computer Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.