Which of the following best describes the role of Read-Only Memory (ROM) in…
2025
Which of the following best describes the role of Read-Only Memory (ROM) in the memory hierarchy of a computer system?
- A.
It temporarily holds data and instructions currently being used.
- B.
It provides faster access than cache memory.
- C.
It dynamically changes its contents during program execution.
- D.
It holds permanent instructions needed during the initial booting of the system.
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Correct answer: D
Read-Only Memory (ROM) is a non-volatile storage chip that retains data without power. It stores essential firmware like the BIOS, which initializes hardware during boot-up and provides low-level system services.