write ring

Show Summary Details

Quick Reference

A ring that is attached to the hub of a reel of magnetic tape to permit its content to be overwritten or erased. When the reel is mounted on a tape transport the ring actuates a switch that permits the writing process. An interrupt is normally sent to the system if writing is attempted without the write ring.

Subjects: Computing.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.