Mash-up, I believe, is the correct answer.
Answer:
An operating system is the primary software that manages all the hardware and other software on a computer. The operating system, also known as an “OS,” interfaces with the computer’s hardware and provides services that applications can use.
Ethernet II
Trust me u will get it right
Answer:
Well it makes life easier of course we don't need it to survive but it just makes stuff easier
Explanation: