Invention Grant
- Patent Title: Multiple program digital computer
- Patent Title (中): 多个程序数字电脑
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Application No.: US3676852DApplication Date: 1970-07-20
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Publication No.: US3676852APublication Date: 1972-07-11
- Inventor: ABERNATHY ROGER E , MITROFANOFF NICHOLAS S
- Applicant: IBM
- Assignee: Ibm
- Current Assignee: Ibm
- Priority: US5738070 1970-07-20
- Main IPC: G06F9/46
- IPC: G06F9/46 ; G06F9/18
Abstract:
A programmed data processor having addressable core storage, a central processing unit having one or more I/O devices connected with it, two sets of program control registers-one for each of two program levels, and a switching mechanism for operating the central processing unit in two different program levels.
Information query
