s initiall s are n ovemer

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider a disk queue with requests for I/0 to
blocks on cylinders 218, 12, 30, 11, 94, 128, 345,
205, 380. The LOOK scheduling algorithm is
used. The head is initially at cylinder number
150. The cylinders are numbered from 0 to 399.
The total head movement (number of cylinders)
incurred while servicing these requests is
(assume that LOOK algorithm moves
towards 399 when it start its execution)
Transcribed Image Text:Consider a disk queue with requests for I/0 to blocks on cylinders 218, 12, 30, 11, 94, 128, 345, 205, 380. The LOOK scheduling algorithm is used. The head is initially at cylinder number 150. The cylinders are numbered from 0 to 399. The total head movement (number of cylinders) incurred while servicing these requests is (assume that LOOK algorithm moves towards 399 when it start its execution)
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