用來(lái)檢查、糾正二進(jìn)制信息序列在傳輸過(guò)程中出現的突發(fā)錯誤的一種循環(huán)校驗碼，它是計算機磁盤(pán)存儲器常用的錯誤校驗碼之一。
A cyclic check code used to check and correct the burst error appeared in the transmission procedure of binary information sequence. It is one of the error check codes in common use for computer disc memory.
一種只讀存儲器，其中的內容可以擦除，使存儲器成為空白狀態(tài)。
A type of read-only memory that can be erased, thereby returning the device to a blank state.
最重要的程序都在只讀存儲器中。
The most important programs are in the read only memory.
