The document outlines the learning objectives related to prefix codes, including understanding what a prefix code is, constructing a binary tree from a sequence of prefix codes, and decoding sequences. It highlights the knowledge gained, such as drawing binary trees for prefix codes and decoding sequences.

2. What will you learn?
o You will learn what is a prefix code
o How to construct a binary tree given a sequence of prefix codes
o How to decode a given sequence

22. What have you learnt?
 What is a prefix code and how to draw a binary tree for a given prefix code
 How to decode a given sequence