Answer:
answer it yourself or ask your teacker
Explanation:
Answer:
The different brainly websites are different because they are associated with different countries. Each country has their own network and internet rules, and Brainly has to comply with each countries rules. Each country gets their own Brainly site. So, Brainly.com is for the US, Brainly.pl is for Poland, etc.
Explanation:
3 Examples of mainframe computers
z900
System z9
System z10