Our puzzle for the farewell of the C167

According to our current topic "Farewell of the C167 and corresponding alternatives", we have summarized the relevant terms for us in a crossword puzzle. Here are the 4 questions, before you can have a look to the result:

1) The german word "Lösung" in english?

2) One of the widely used microcontroller in the world?

3) Another word for progress - biological as well as technical?

4) Premium electronics service provider from Saxony?