FILE READING METHOD

PURPOSE:To read necessary data out of a file without a drive number in mind by automatically switching the number of a disk drive and sequentially retrieving each disk until a file recording a command can be searched when the command is inputted. CONSTITUTION:When inputting the command from a keyboa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	TANABE HISASHI
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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Beschreibung
Zusammenfassung:	PURPOSE:To read necessary data out of a file without a drive number in mind by automatically switching the number of a disk drive and sequentially retrieving each disk until a file recording a command can be searched when the command is inputted. CONSTITUTION:When inputting the command from a keyboard 4 is detected, the command is analyzed to be an internal command or not. If so, it is executed, and the operation again returns to a command input standby state. If the inputted command is an external command, the file is retrieved on a specified drive with drive specification given: otherwise, the file is retrieved on a drive with an existing system. If the file is found, it is loaded in a RAM 3, and executed. If the file is not found, the drive number of a file retrieval parameter is switched to a next one to be retrieved next time, and retrieval is again executed.