CCC Online Test

Question : Chief component of first generation computer was

Topic : Introduction to Computer

A. Transistors
B. Vacuum Tubes and Valves
C. Integrated Circuits
D. None of above

B. Vacuum Tubes and Valves

Transistors were used for second generation computers and integrated circuits in third generation. First generation computers used vacuum tubes and valves as their main electronic component. Vacuum Tubes were invented by Lee DeForest in 1908.
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