read/write head
Definition
Noun: - A component in a disk drive: A read/write head is a small electromagnetic device used to record (write) data onto a magnetic disk and to retrieve (read) data from it.
Usage
- The read/write head hovers just above the spinning platter of a hard disk drive.
- A malfunctioning read/write head can lead to data loss.
- Modern drives have multiple read/write heads, one for each disk surface.
Advanced Usage
- Head crash: A serious failure that occurs when the read/write head makes physical contact with the disk surface.
- A head crash destroyed the data on the old hard drive.
Variants and Related Words
- Disk head (n): Another term for a read/write head.
- Drive head (n): Another term for a read/write head.
- Actuator arm (n): The mechanical arm that positions the read/write head over the correct track on the disk.
Synonyms
- Magnetic head: A general term for a device that reads or writes magnetically recorded data.
Related Phrases
- Flying height: The distance between the read/write head and the disk surface.
- The flying height is measured in nanometers.
Noun
-
(computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk
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