2.
1. Did the progress in semiconductor technology lead to the development of the integrated circuit?
2 . Did the progress or regress in semiconductor technology lead to the development of the integrated circuit?
3. What led to the development of the integrated circuit?
4. The progress in semiconductor technology led to the development of the integral circuit, didn't it?
3.
The aim of creating electronic circuits with entirely solid states HAD finally BEEN REALIZED.
,which WAS DISCOVERED due the efforts of John Kilby in 1958.
these components together with their interconnections WERE MADE all at a time.
Большие буквы это страдательный залог .
