nonvolatile storage
Học thuậtThân thiện
Definition
Noun: * Computer storage that retains data when power is removed: "Nonvolatile storage" refers to a type of computer memory or storage medium that preserves stored information even when the device is switched off or loses electrical power. This is a core characteristic for long-term data retention.
Examples of Usage
- Noun:
- Hard disk drives and solid-state drives are common forms of nonvolatile storage.
- The firmware is saved in a nonvolatile storage chip on the motherboard.
- Unlike RAM, nonvolatile storage does not require constant power to keep its data.
Advanced Usage
- Technical Context: In technical specifications, "nonvolatile storage" is often contrasted directly with "volatile storage" (like RAM). It is a fundamental term in computer architecture and data management.
- The system's boot instructions must be located in nonvolatile storage.
Variants and Related Words
- Non-volatile memory (NVM) (n): A synonym often used interchangeably, particularly for integrated circuit-based storage (e.g., flash memory).
- Flash drives use non-volatile memory.
- Persistent storage (n): A related term emphasizing that data persists across sessions and power cycles.
- User preferences are saved to persistent storage.
- Read-only memory (ROM) (n): A specific, older type of nonvolatile storage that is typically not writable by normal computer operations.
Synonyms
- Persistent storage: Storage that maintains data.
- Non-volatile memory (NVM): Memory that does not lose its contents without power.
Antonyms
- Volatile storage: Computer storage that loses its contents when power is removed (e.g., RAM).
- Dynamic RAM is a type of volatile storage.
Noun
- computer storage that is not lost when the power is turned off