fixed storage
Học thuậtThân thiện
Definition
Noun 1. A type of computer memory that is read-only: Fixed storage refers to a storage medium where data is permanently written and cannot be modified, erased, or overwritten by normal computer operations. Its contents can be accessed and read repeatedly.
Usage
- Fixed storage is used for storing critical system software, firmware, or data that must not be altered.
- It is a fundamental component in many electronic devices, ensuring stable and permanent data retention.
Examples
Advanced Usage
- "Non-volatile memory": A technical synonym emphasizing that data persists without power.
- Fixed storage is a form of non-volatile memory essential for booting up a device.
- In enterprise contexts, the term can sometimes refer to storage hardware that is physically installed and not removable, though the primary technical meaning remains "read-only."
Variants and Related Words
- ROM (Read-Only Memory): The most common and specific type of fixed storage.
- PROM (Programmable Read-Only Memory): A variant that can be programmed once after manufacture.
- EPROM (Erasable Programmable Read-Only Memory): A type that can be erased with ultraviolet light and reprogrammed, though this is not a normal "user" operation.
- Firmware: Software that is permanently stored on fixed storage like ROM.
Synonyms
- Read-only memory (ROM)
- Non-volatile memory (in the context of being unchangeable)
- Permanent storage
Related Phrases
- Hard-wired: Sometimes used informally to describe logic or data that is unchangeable, like in fixed storage.
- Embedded software: Software that resides on fixed storage within a device.
Noun
- (computer science) memory whose contents can be accessed and read but cannot be changed