Decoding an Even-Parity SECDED Character

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  • Thread starter Thread starter DeathDealer
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SUMMARY

The discussion centers around decoding an even-parity SECDED (Single Error Correction Double Error Detection) encoded character, specifically focusing on the hexadecimal value provided. Participants express frustration with the complexity of the topic and seek clarification on error detection and correction processes. The tutor's explanation is deemed acceptable, but further assistance is requested to solidify understanding. The suggestion to split the hexadecimal value into a table format is highlighted as a potential starting point for clarity.

PREREQUISITES
  • Understanding of SECDED encoding and its applications
  • Familiarity with hexadecimal number representation
  • Knowledge of error detection and correction techniques
  • Basic skills in ASCII character encoding
NEXT STEPS
  • Research the principles of SECDED encoding and decoding
  • Learn how to convert hexadecimal values to binary
  • Study error correction algorithms, focusing on Hamming codes
  • Practice decoding examples of SECDED encoded characters
USEFUL FOR

This discussion is beneficial for computer science students, software engineers, and anyone involved in data integrity and error correction methodologies.

DeathDealer
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Hey guys it feels like I'm banging my head against the wall when it comes to these types of questions. My tutor helped me out with a question but he didn't explain it to well he just wrote all he was doing down and expected me to know every single thing. I had to go through textbooks galore to understand half of it and I don't even know if we got it right in the end, needed tons of help. Now when i look at a similar question all I see is further confusion. Can someone help me out with this question and tell me if they think the one my tutor helped me with was right. I am sure after 2 examples ill be able to get my bearings. Cheers!

Question: An even-parity SECDED encoded character has been retrieved, with hexadecimal value View attachment 4304. Was there an error? If there was an error correct it (reporting corrected ASCII character) or explain why it couldn’t be corrected.This is the one my tutor "helped" me with:
View attachment 4302
 

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RobJob said:
Hey guys it feels like I'm banging my head against the wall when it comes to these types of questions. My tutor helped me out with a question but he didn't explain it to well he just wrote all he was doing down and expected me to know every single thing. I had to go through textbooks galore to understand half of it and I don't even know if we got it right in the end, needed tons of help. Now when i look at a similar question all I see is further confusion. Can someone help me out with this question and tell me if they think the one my tutor helped me with was right. I am sure after 2 examples ill be able to get my bearings. Cheers!

Question: An even-parity SECDED encoded character has been retrieved, with hexadecimal value . Was there an error? If there was an error correct it (reporting corrected ASCII character) or explain why it couldn’t be corrected.

This is the one my tutor "helped" me with:

Hi RobJob! Welcome to MHB! :)

The explanation of your tutor seems fine to me.
Where are you stuck?
Perhaps you can start by splitting BEB16 into the same table?
 

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