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A disk drive has 256 cylinders, with the number The cylinder starts at 0 and ends at 255. The position of the needle on the disk drive is currently stopped at point 128. It is also known that the needle is always "to the cylinder with more numbers" Small first." The order of the positions visited in sequence is: 254, 64, 32, 100, 50, 70. From the 3 algorithm options below, which is the best algorithm? Make each one draw it and specify seektime. i. SCAN ii.C-SCAN iii. FIFO

A disk drive has 256 cylinders, with the number The cylinder starts at 0 and ends at 255. The position of the needle on the disk drive is currently stopped at point 128. It is also known that the needle is always "to the cylinder with more numbers" Small first." The order of the positions visited in sequence is: 254, 64, 32, 100, 50, 70. From the 3 algorithm options below, which is the best algorithm? Make each one draw it and specify seektime. i. SCAN ii.C-SCAN iii. FIFO

Computer Networking: A Top-Down Approach (7th Edition)
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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A disk drive has 256 cylinders, with the number
The cylinder starts at 0 and ends at 255. The position of the needle on the disk drive is currently stopped
at point 128. It is also known that the needle is always "to the cylinder with more numbers"
Small first." The order of the positions visited in sequence is:
254, 64, 32, 100, 50, 70.


From the 3 algorithm options below, which is the best algorithm? Make each one
draw it and specify seektime.


i. SCAN
ii.C-SCAN
iii. FIFO

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