Question

Electronic gadgets could be made smaller and more effective, when components are made of element 'X' instead of vacuum tubes. Which of the following is most likely to be element X'?​

Answer 1

Answer:

transistors

Step-by-step explanation:

Transistors were being used in 2nd generation computers instead of vacuum tubes.

hope this will help :)

Answer 2

Electronic gadgets could be made smaller and more effective, when components are made of element 'X' instead of vacuum tubes.

The most likely used  element X is 'Transistor​r'.

Transistors were being used in 2nd generation computers instead of vacuum tubes.