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IBM File Concepts B W Wyatt Jr
A Comparison of the Characteristics of Modern Discs and Tapes Herman
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achieved addition allow applications assigned average basic bits block buffer called capacity central channel characters communication complete connected consists contains continuous core cylinder developed device disc file disc storage disc units effect electronic equipment error execution FASTRAND Figure format four function heads inch includes indicate initial input instruction interrupt length logic machine magnetic tape master maximum memory Method milliseconds module mounted move MRADS necessary operation organization output pack parity perform Phase position possible problem processing processor read or write received record remote requests routine sector selected sequence sort space specified speed station status storage stored supply surface switching tape techniques tion track transfer write written zone