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An engineer wants to stear machinery via a communication line. He needs 16 different commands, hence he uses a genuine (normal) 4-bit binary code (called Code A). To make commands more easily distinguishable, he adds another 0 as most significant bit, hence turning his code into a 5-bit code. This code is called Code B. He tries to stear machinery. Due to communication errors it doesn't work. He decides to make up an another code (which we call Code C): 1) Start from Code A 2) all Os, hence turning each '0' into 3) all 1s, hence turning each '1' into 4) Add leading zeros until you have 12-bit (if needed) a) Does Code B have error detection capabilities or incomplete single error detection capabilities (meaning only some errors can be detected)? If incomplete: What would need to be changed to turn it into 5-bit error detection code?

An engineer wants to stear machinery via a communication line. He needs 16 different commands, hence he uses a genuine (normal) 4-bit binary code (called Code A). To make commands more easily distinguishable, he adds another 0 as most significant bit, hence turning his code into a 5-bit code. This code is called Code B. He tries to stear machinery. Due to communication errors it doesn't work. He decides to make up an another code (which we call Code C): 1) Start from Code A 2) all Os, hence turning each '0' into 3) all 1s, hence turning each '1' into 4) Add leading zeros until you have 12-bit (if needed) a) Does Code B have error detection capabilities or incomplete single error detection capabilities (meaning only some errors can be detected)? If incomplete: What would need to be changed to turn it into 5-bit error detection code?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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An engineer wants to stear machinery via a communication line. He needs 16 different commands, hence he uses a genuine (normal) 4-bit binary code (called Code A). To make commands more easily distinguishable, he adds another 0 as most significant bit, hence turning his code into a 5-bit code. This code is called Code B. He tries to stear machinery. Due to communication errors it doesn't work. He decides to make up an another code (which we call Code C): 1) Start from Code A 2) all Os, hence turning each 'O' into 3) all 1s, hence turning each '1' into 4) Add leading zeros until you have 12-bit (if needed) a) Does Code B have error detection capabilities or incomplete single error detection capabilities (meaning only some errors can be detected)? If incomplete: What would need to be changed to turn it into 5-bit error detection code?
Transcribed Image Text:An engineer wants to stear machinery via a communication line. He needs 16 different commands, hence he uses a genuine (normal) 4-bit binary code (called Code A). To make commands more easily distinguishable, he adds another 0 as most significant bit, hence turning his code into a 5-bit code. This code is called Code B. He tries to stear machinery. Due to communication errors it doesn't work. He decides to make up an another code (which we call Code C): 1) Start from Code A 2) all Os, hence turning each 'O' into 3) all 1s, hence turning each '1' into 4) Add leading zeros until you have 12-bit (if needed) a) Does Code B have error detection capabilities or incomplete single error detection capabilities (meaning only some errors can be detected)? If incomplete: What would need to be changed to turn it into 5-bit error detection code?
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