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Consider an 8-bit linear feedback shift register (LFSR) with the feedback function: B7 EXOR B4 EXOR B0 and register bits (B7, …, B0). In each cycle the register content is shifted to the right (with B7 replaced by the feedback function output, and B0 shifted out). Convert the 2 rightmost digits of your student id into 8-bit binary and use this value as initialisation vector for your LFSR. From there on calculate the output of the first 6 LFSR cycles, i.e. the first 6 stream bits being produced. Example: 1001569 → 6910 = 010001012 ID = 19205860

Consider an 8-bit linear feedback shift register (LFSR) with the feedback function: B7 EXOR B4 EXOR B0 and register bits (B7, …, B0). In each cycle the register content is shifted to the right (with B7 replaced by the feedback function output, and B0 shifted out). Convert the 2 rightmost digits of your student id into 8-bit binary and use this value as initialisation vector for your LFSR. From there on calculate the output of the first 6 LFSR cycles, i.e. the first 6 stream bits being produced. Example: 1001569 → 6910 = 010001012 ID = 19205860

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Consider an 8-bit linear feedback shift register (LFSR) with the feedback function: B7 EXOR B4 EXOR B0 and register bits (B7, …, B0). In each cycle the register content is shifted to the right (with B7 replaced by the feedback function output, and B0 shifted out). Convert the 2 rightmost digits of your student id into 8-bit binary and use this value as initialisation vector for your LFSR. From there on calculate the output of the first 6 LFSR cycles, i.e. the first 6 stream bits being produced. Example: 1001569 → 6910 = 010001012

 

ID = 19205860

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