4. To burn a CD-R, the laser must pulse on and off at a high speed. When running at 10x speed in mode 1, what is the pulse length, in nanoseconds (15%)?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter8: Data And Network Communication Technology
Section: Chapter Questions
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4. To burn a CD-R, the laser must pulse on and off
at a high speed. When running at 10x speed in
mode 1, what is the pulse length, in nanoseconds
(15%)?
5. Write a procedure hamming(ascii, encoded) that
converts the low-order 7 bits of ascii into an 11-bit
integer codeword stored in encoded (40%).
Transcribed Image Text:4. To burn a CD-R, the laser must pulse on and off at a high speed. When running at 10x speed in mode 1, what is the pulse length, in nanoseconds (15%)? 5. Write a procedure hamming(ascii, encoded) that converts the low-order 7 bits of ascii into an 11-bit integer codeword stored in encoded (40%).
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