Here's a good English definition and explanation with an example sentence to get you started:
A Students Dictionary of Classical and Medieval Chinese
2 negative particle of the perfective: had not, ...
Yes, adding the 没 at the end makes it a question. In this case, it is equivalent to "你找到你爸爸了吗？"
Without the 没, it would be "You found your dad". With the 没 makes it "Have you found your dad?".
不满 is a single word. It means unhappy or unsatisfied. It cannot be separated into 不 + 十分 + 满. It's like you can't say "un-very-happy".
不满意 is a phrase, 不 + 满意 = not satisfied. It can ...
He is very unsatisfied.
He is not very ...full?
The problem is the usage of 满.
But only 满 usually means full/completed/filled
so 他不十分满 is wrong, how could a man ...
That is really a good question. For English, it could use "not" in both two situations.
In my own opinion, you should get contextual analysis. A is asking David's activity, so the correct answer is 他没（...
没 denotes the sense of non-existence, while 不 is a general negation. The other way to think of it is that 没 is the short version of 没有. In other words, you can replace 没 with 没有 when 没 precedes a verb....