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Levels Tought:
University
| Teaching Since: | Apr 2017 |
| Last Sign in: | 438 Weeks Ago, 3 Days Ago |
| Questions Answered: | 9562 |
| Tutorials Posted: | 9559 |
bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
21.   RAID level 3 is able to correct single-bit errors using only one parity drive. What is the point of RAID level 2? After all, it also can correct only one error and takes more drives to do so.
22.   What is the exact data capacity (in bytes) of a mode-2 CD-ROM containing the now-standard 80-min media? What is the capacity for user data in mode 1?
23.   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?
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