In a _________ , more than one data bit is changed by the error-causing condition.
a. burst error
b. data rate shift
c. Trellis-coded modulation
d. uniform distribution
e. amplitude key shift
Answer: a. burst error
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Assume you are a software project manager and that you've been asked to compute earned value statistics for a small software project. The project has 56 planned work tasks that are estimated to require 582 person-days to complete. At the time that you've been asked to do the earned value analysis, 12 tasks have been completed. However the project schedule indicates that 15 tasks should have been completed. Compute the SPI, schedule variance, percent scheduled for completion, percent complete, CPI, and cost variance for the project. The following scheduling data (in person-days) are available:Task Planned Effort Actual Effort 1 12.0 12.5 2
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