DATA PROCESSOR

PURPOSE:To generate control data for an external storage device by a controller without providing any data buffer in the controller by utilizing a main storage device as a buffer for control data. CONSTITUTION:This data processor 10 has a control means which generates control data to be written in t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YOSHIYA YUKIHIRO
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 generate control data for an external storage device by a controller without providing any data buffer in the controller by utilizing a main storage device as a buffer for control data. CONSTITUTION:This data processor 10 has a control means which generates control data to be written in the external storage device according to the processor so as to control the external storage device 30 and a transfer means 230 which transfers the control data to a storage means according to the control means and also transfers the control data in the storage means to the external storage device 30, and stores the control data in the storage means and then transfers it to the external storage device 30. Thus, the control data in the external device connected to the processor is generated by the controller to reduce the software processing of the processor, preventing the processing efficiency from decreasing. Further the main storage device on the side of the processor is used as a buffer for the control data and then the need for a mass- storage data buffer in the controller is eliminated.