Which one among the following is an example of non-volatile memory ?

Result

Your answer: — · Correct: C

Explanation

Computer memory is categorized into volatile and non-volatile memory based on data retention during power loss.

Non-volatile memory retains stored information even after the power is turned off. ROM (Read-Only Memory) is a primary example, used to store essential start-up instructions (BIOS) that must remain intact regardless of power status.
Volatile memory requires a constant power supply to maintain data. RAM (Random Access Memory), Cache, and CPU Registers are all volatile; their contents are wiped clean as soon as the system is powered down or restarted.

Since ROM does not lose its data when power is removed, it is the correct example of non-volatile memory among the choices provided.

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