Would you expect that the inclusion of a parity bit with each character would change the probability of receiving a correct message?

Consider a SEC code that protects 8-bit words with 4 parity bits. If we read the value OxABC, is there an error? If so, correct the error. Note: 0xABC = 1010 1011 1100 Hint: Decode the 12-bit encoded data and find if there is an error. Hint 2: You can use the table below. The values of the data already inserted. Note that, you don't have to use the table. In case you want to solve it differently, it is fine. 1 2 3 4 5 6 7 8 9 1 0 1 0 1 0 1 1 1 10 1 11 0 12 0

b) Let's say a networking company uses a compression technique to encode the message before transmitting over the network. Suppose the message contains 6 unique characters of your name and their frequencies are similar to the last 6 non-zero digits of your mobile number. For example, your name is Badhon and the last 6 digits of your mobile number is 123456. So the frequency Frequency (in thousands) Characters B table of characters will be: 2 3 H. 4 Now, if the compression technique used is Huffman Coding instead of variable-length coding, how many bits will be saved in the message? Show the saving percentage. 6.

Consider this string 1111100011101100, Spread the string out to make room for parity bits, putting X’s in for the Hamming parity bits, a Y for overall parity, maybe even spaces for clarity.

If the length of the sequence number space is k bits, you may want to use the Go-Back-N and selective-repeat approaches. How large of a sender window are we allowed to use?

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What is the correct value of SHA-512 message-length filed if the message length is:   a) 3967 b) 3968

A CRC checker using the generator 10011 (x4+x+1) received the following message: 10111101. The syndrome (remainder) to assess if the communication was OK is supplied by?

QUESTION1 "Rabenstein code was used to send a message with 4 information bits, you receive 100110001 if you can expect at most one bit of corruption, what were the original information bits?" QUESTION 2 Givon the codeword set 111111 000111 110001 101100 011010 Add another codeword to this set that has distance at least 3 to all other codewords.

When the size of the sequence number space is k bits, it is recommended to explore the potential of employing both the selective-repeat and Go-Back-N strategies in order to identify an appropriate solution. What is the maximum size that can be allocated to the sender window?