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(b) [10 pts] Suppose we have a magnetic disk (resembling an IBM Microdrive) with the following parameters: Average seek time Rotation rate Transfer rate
(b) [10 pts] Suppose we have a magnetic disk (resembling an IBM Microdrive) with the following parameters: Average seek time Rotation rate Transfer rate # sectors per track Sector size Controller overhead 12 ms 3600 RPM 3.5 MB/second 64 512 bytes 5.5 ms a. [5pts] What is the average time to read a single sector? b. [5pts] What is the average time to read 8 KB in 16 consecutive sectors in the same cylinder?
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Fundamentals of Database Systems
Authors: Ramez Elmasri, Shamkant Navathe
6th edition
136086209, 978-0136086208
