Why is system software dependent on underlying machine architecture?

1. which of the following is a search engine? a) mozilla firefox b)internet explorer c)google d)safari 2. which of the following statements is true? a) all search engines will provide the same results when you enter the same query. b) all search engines use the same amount of advertisements. c) some search engines are also browsers. d) search engines often provide different results, even when you enter the same query.

What key should you press and hold to select and open multiple files at one time? enter alt control esc

The first screen you see when you open word2016 what is called?