DATA PROCESSING SYSTEM AND INFORMATION SCANOUT

摘要

Disclosed is a data processing system having a principal apparatus controlled by a principal program and including a main store, a storage unit, an instruction unit, an execution unit, a console unit and a channel unit. The console unit has a secondary apparatus controlled by a secondary program and including a digital computer for addressing and accessing information from locations throughout the principal apparatus of the data processing system independent of the principal program and independent of the information paths employed by the principal apparatus.