It uses a special 'language' or code to tell it what to do a what times, why, and how. It gives the Computer an 'easier' Operating System (OS) to run on / off of. The OS makes The Computer easier for us, to use and understand.
11. <span><span>their population crashed.
</span><span>
12. </span></span><span>dead zone
13. I believe </span><span>energy efficient</span>
Answer:
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Explanation:
1. ms-dos 1981
2. windows 2.0 1987
3. windows xp 2001
4. mac os 2001
5. windows 7 2009