When was vacuum tube invented?
1900
1906
1910
1880
Answer : B
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1) Who is credited with the idea of using punch cards to control patterns in a waving machine?
2) A register organized to allow to move left or right operations is called a ____
3) Which term is used to describe RAM?
4) When did arch rivals IBM and Apple Computers Inc. decide to join hands?
5) Serial access memories are useful in applications where
Data consists of numbers
Short access time is required
Each stored word is processed differently
Data naturally needs to flow in and out in serial form
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