Answer:
What begins with an E but only has one letter?
I am the noblest musical instrument
My first two letters say my name. My last letter asks a question. What I embrace I destroy.
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
I have a few points but we're not competing. I'll help you win when you're eating. What am I?
The answer I give is yes, but what I mean is no. What was the question?