The first generation computer used __________________ for circuitry ?
Correct answer: D. Vaccum Tubes
- A. Transistor
- B. IC
- C. Magnetic Core
- D. Vaccum Tubes
Explanation
First-generation computers used vacuum tubes as their main electronic circuitry, making them very large and power-hungry. Transistors appeared in second-generation computers, and integrated circuits in the third generation.
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