Each block of data on a DASD volume has a distinct location and a ______ _______, thus making it possible to find any block without extensive searching. _______ _______ can be stored and retrieved either ________ or ____________.
Answer: Each block of data on a DASD volume has a distinct location and a unique address, thus making it possible to find any block without extensive searching. Logical records can be stored and retrieved either directly or sequentially.