difference between top down parsing and bottom up parsing

Q1. I could not understand what is the exact difference between top down parsing and bottom up parsing.Will they give same output?Please give some example.

Q2. please also give explaination for reverse of right most derivation.It will be good if you can compare it with left most derivation, right most derivation.

2Comments
Satya Prakash @sprp
10 Jan 2016 04:09 pm

http://qntm.org/top

it may help.

lucky @luckysunda
10 Jan 2016 06:35 pm

haven't gone through yet...but the link looks good..thanks :)

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