Uh, I think you mean antonym.
Anyways, here are some antonyms.
Careless, Certain, Foolish, Inattentive, Incautious
Answer:
Windows
Explanation:
It is down to preference. I prefer windows due to its large compatibility with a wide range of apps.
Answer:
<em><u>keyboarding </u></em><em> </em><em>is</em><em> </em><em>essential</em><em> </em><em>for</em><em> </em><em>him</em><em> </em><em>to</em><em> </em><em>perform</em><em> </em><em>his</em><em> </em><em>job</em><em>.</em><em> </em>
I believe you are right. I don't think word can be used to develop spreadsheets.
