When did IBM close the last of its punched card manufacturing plant?
A
June, 1989
B
December, 1984
C
March, 1982
D
November, 1979
E
None of the above
Correct Answer: December, 1984
In December, 1984 IBM close the last of its punched card manufacturing plant. Semen Korsakov was the first to use punch cards in informatics for information store and search.