A storage device whose contents cannot be modified, except by a particular user, or when operating under particular condition, for example, a storage device in which writing is prevented by a lockout.
英
美
- 內容不能進(jìn)行修改的一種存儲設備，除非是一個(gè)特殊用戶(hù)或者在特定條件下方可進(jìn)行寫(xiě)操作。例如，通過(guò)鎖定而防止寫(xiě)入內容的存儲設備。同fixed storage, permanent storage, read-only memory。
