memory device
Học thuậtThân thiện
Definition
Noun: A physical component or system designed to store data or instructions so they can be retrieved later by a computer or other digital system.
Usage
A "memory device" is a hardware component used for data storage. It is a core term in computing and electronics. - The most common memory device in a personal computer is the hard drive. - USB flash drives are portable memory devices.
Advanced Usage
- Primary vs. Secondary: In computing, memory devices are often categorized. Primary memory devices (like RAM) provide fast, temporary storage for active data, while secondary memory devices (like SSDs or HDDs) offer larger, persistent storage.
- The system's performance depends heavily on its primary memory device, the RAM.
- Non-volatile Memory Device: A type of memory device that retains stored information even when power is turned off.
- An SSD is a non-volatile memory device.
Variants and Related Words
- Storage Device: A very close synonym often used interchangeably with "memory device," though it can sometimes imply a focus on long-term, high-capacity storage.
- Memory: The broader concept of computer data storage, of which a memory device is the physical implementation.
- Memory Chip: A specific type of memory device in integrated circuit form.
- The smartphone's memory chip has a capacity of 128GB.
Synonyms
- Storage device
- Data storage device
- Memory unit
- Storage medium
Related Phrases
- External memory device: A memory device that is connected to a computer system from outside, such as an external hard drive or a USB stick.
- Always safely eject an external memory device before unplugging it.
- Internal memory device: A memory device installed inside a computer's casing, like an internal solid-state drive.
- The technician replaced the faulty internal memory device.
Noun
- a device that preserves information for retrieval