Boots – shoes – and leggings
Patent
1977-03-10
1979-11-06
Shaw, Gareth D.
Boots, shoes, and leggings
G06F 1300, G11C 906
Patent
active
041737814
ABSTRACT:
In order to provide for coherence of exchanges between a block of data of a ower speed level and several blocks of data of a contiguous level of higher speed, a control table of the block of the lower speed level registers page by page at least those blocks of the higher speed level which have received extracts from those pages; a control table of each of the blocks of the higher speed level registers by itself, page by page, the number of those extracts and also registers the validity of the data contained in its block, and preferably also the modifications of those data, and in certain cases the exclusion of access of other blocks of the higher speed level to those data; and an organization of the control of these data makes it possible to provide for the required coherence, starting with the information identified above.
Applications: Information science systems with a hierarchy of memories.
REFERENCES:
patent: 3581291 (1971-05-01), Iwamoto et al.
patent: 3588839 (1971-06-01), Belady et al.
patent: 3771137 (1973-11-01), Barner et al.
patent: 3820078 (1974-06-01), Curley et al.
patent: 3911401 (1975-10-01), Lee
patent: 3938097 (1976-02-01), Niguette
patent: 4077059 (1978-02-01), Cordi et al.
Compagnie Internationale pour l'Informatique Cii-Honeywell Bull
Sachs Michael C.
Shaw Gareth D.
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