How does the author describe the changes transistors have undergone over time?

Question

Transistors are used for the same things they were used for when first invented.

Transistors haven’t changed much since they were invented.

Transistors have shrunk in size and become less useful.

Transistors have shrunk in size but increased in usefulness.

Answer 1

The author describes that transistors have shrunk in size but increased in usefulness.