Question

_________ was used for circuitry in the first generation computers.
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Answer 1

Answer:

vaccum tubes

Explanation:

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Answer 2

Answer:

Vaccum tubes.

Explanation:

Computers of first generation used vacuum tubes as the basic components for memory and circuitry for Central Processing Unit.The first electronic computer, ENIAC (Electronic Numerical Integrator and calculator) was developed in 1947 at the University of Pennsylvania, USA. This machine had vacuum tubes as switching devices.

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