Which term describes memory that retains data without power and is used for firmware?

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Multiple Choice

Which term describes memory that retains data without power and is used for firmware?

Explanation:
Non-volatile memory that preserves its contents without power is what's needed to store firmware. Read-Only Memory is exactly that kind of storage: its data stays put even when power is off, and it’s traditionally used to hold the firmware that initializes hardware and boots the device. RAM and cache lose their contents when power is removed, so they aren’t suitable for firmware storage. EEPROM also retains data and can be rewritten, but the usual term for memory intended to permanently hold firmware is ROM.

Non-volatile memory that preserves its contents without power is what's needed to store firmware. Read-Only Memory is exactly that kind of storage: its data stays put even when power is off, and it’s traditionally used to hold the firmware that initializes hardware and boots the device. RAM and cache lose their contents when power is removed, so they aren’t suitable for firmware storage. EEPROM also retains data and can be rewritten, but the usual term for memory intended to permanently hold firmware is ROM.

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