Podcast
Questions and Answers
What is the number of possible messages obtained for three throws of a fair die?
What is the number of possible messages obtained for three throws of a fair die?
- 216 (correct)
- 8
- 36
- 6
How many bits per message are required for a source with three equally probable symbols?
How many bits per message are required for a source with three equally probable symbols?
- 2 bits/message
- 3 bits/message
- 6 bits/message
- 8 bits/message (correct)
What property is required from any variable-length code to ensure unique decodability?
What property is required from any variable-length code to ensure unique decodability?
- Equal probabilities
- Variable-length code words
- Prefix-free codes (correct)
- Variable symbols
What happens if the source decoder observes '01' in a non-uniquely decodable code system?
What happens if the source decoder observes '01' in a non-uniquely decodable code system?
What is a fundamental property of a prefix code in coding systems?
What is a fundamental property of a prefix code in coding systems?
What is the total number of messages possible when three fair dice are thrown with all outcomes being equally probable?
What is the total number of messages possible when three fair dice are thrown with all outcomes being equally probable?
In the context of variable-length code words, what property is essential to ensure that the code is easily decodable?
In the context of variable-length code words, what property is essential to ensure that the code is easily decodable?
What is the number of bits required per message for a source with three symbols if each symbol has a different probability of occurrence?
What is the number of bits required per message for a source with three symbols if each symbol has a different probability of occurrence?
Which property distinguishes a prefix code within coding systems?
Which property distinguishes a prefix code within coding systems?
For a source with variable-length code words, what characteristic is crucial to avoid ambiguity during decoding?
For a source with variable-length code words, what characteristic is crucial to avoid ambiguity during decoding?
