Question : Fifth-generation computers do not have:
Option 1: speech recognition
Option 2: artificial intelligence
Option 3: very large-scale integration
Option 4: vacuum tubes
Correct Answer: vacuum tubes
Solution : The correct option is vacuum tubes .
Fifth-generation computers do not use vacuum tubes. Vacuum tubes were a critical component of first-generation and, to a lesser degree, second-generation computers. Large, unstable, and power-hungry, they served as electronic switches and amplifiers in the first computers.
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