In PROMS , all bits are usually 1 until they are burned to a 0 , after which they can not be restored to 1 .
After they are written , they can only be read .
After they are written , they can only be read .
문장을 간단하게 만드십시오: In PROMS , all bits are usually 1 until they are burned to a 0 , after which they can not be restored to 1 . 산출: