Computer Usage 1964-1999
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
1
10
100
1000
10000
Computing Capacity in Orion Units
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Atlas
Atlas
360/75
360/195
1906A
2×360/195
3032
3081D
Atlas 10
% Usage by Boards and Other Research Councils
20%
40%
60%
80%
100%
Nuclear Physics
Science
Engineering
ASR
Other
Facilities
Committee
for
Computing
1976
Central
Computing
Committee
1981
Direct
Charging
1985
Abandon
Charging
1988