Question 1 a) Consider a Huffman's Algorithm that uses a variable-length encoding scheme to compress the original text: BIRTHDAY to determine the following? 10 marks i. Code tree ii. Codeword iii. Average code length Question 2 a) Write a short note on the following terminologies: 5 marks i. Multimedia ii. Multimedia system iii. Hypermedia b) State any two (2) characteristics of a Multimedia system? 2 marks c) What are the transition in Powerpoint presentation and state any two (2) transition effects? 3 marks Question 3 Given that the messages y, y2, 73, 74, ys with the corresponding probabilities 0.4, 0.2, 0.2, 0.1, and 0.1 10 marks a) Construct a binary code by using a Shannon Fano Algorithm to determine; i. Code efficiency ii. Redundancy of the code iii. Code tree