Urgent please Suppose the following disk request sequence(track numbers) for a disk with 200 tracks ( 0 to199 ) is given: 98, 183, 37, 122, 14, 124, 65, 67.Assume that the initial position of the R/W headis on track 53. The additional distance that willbe traversed by the R/W head when the FirstCome First Serve (FCFS) (SSTF) algorithm isused compared to the Shortest Seek Time Firstalgorithm istracks.

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Engineering

Computer Science

ional heac ) (SS horte

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Storage Devices

Storage devices can store digital information/data and applications (in the form of audio, video, image, etc.) to process the result of any computational work. They are a kind of computer hardware that stores information and instruction to be processed. A storage unit is a part of a computer system. Every computer has a storage device. The storage devices work as a memory. They are also known as a storage medium, digital storage, or storage media, which temporarily or permanently store information. They are used either internally or externally in the computer system, server, or any computation device to hold the information. Examples include a pen drive, CD, DVD, floppy disk, memory card and so forth.

Question

Urgent please

Suppose the following disk request sequence
(track numbers) for a disk with 200 tracks ( 0 to
199 ) is given: 98, 183, 37, 122, 14, 124, 65, 67.
Assume that the initial position of the R/W head
is on track 53. The additional distance that will
be traversed by the R/W head when the First
Come First Serve (FCFS) (SSTF) algorithm is
used compared to the Shortest Seek Time First
algorithm is
tracks.

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