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Suppose that the rotating disk head is moving with 200 tracks numbered from 0 to 199 and is currently serving a request at track 65. Disk queue requests are as follows: 93, 173, 132, 20, 35, 150, 100, 175 and 55.Which of the following statements satisfies these requests for the SSTF (Shortest Seek Time First) algorithm?
  • a)
    Total head movements = ​250 cylinders
  • b)
    Total head movements = ​200 cylinders
  • c)
    The request order is 65, 55, 35, 20, 93, 100, 132, 150, 173 and, 175​
  • d)
    The request order is 65, 55, 93, 173, 132, 20, 35, 150, 100, and 175  
Correct answer is option 'B,C'. Can you explain this answer?
Most Upvoted Answer
Suppose that the rotating disk head is moving with 200 tracks numbered...
Given disk queue requests 93, 173, 132, 20, 35, 150, 100, 175, 55
Total head movements = 10 + 20 + 15 + 73 + 7 + 32 + 18 + 23 + 2 
Total head movements = 200 cylinders
Hence the correct answer is option 2 and option 3.
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Community Answer
Suppose that the rotating disk head is moving with 200 tracks numbered...
Given disk queue requests 93, 173, 132, 20, 35, 150, 100, 175, 55
Total head movements = 10 + 20 + 15 + 73 + 7 + 32 + 18 + 23 + 2 
Total head movements = 200 cylinders
Hence the correct answer is option 2 and option 3.
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Suppose that the rotating disk head is moving with 200 tracks numbered from 0 to 199 and is currently serving a request at track 65. Disk queue requests are as follows: 93, 173, 132, 20, 35, 150, 100, 175 and 55.Which of the following statements satisfies these requests for the SSTF (Shortest Seek Time First) algorithm?a)Total head movements = 250 cylindersb)Total head movements = 200 cylindersc)The request order is 65, 55, 35, 20, 93, 100, 132, 150, 173 and, 175d)The request order is 65, 55, 93, 173, 132, 20, 35, 150, 100, and 175 Correct answer is option 'B,C'. Can you explain this answer?
Question Description
Suppose that the rotating disk head is moving with 200 tracks numbered from 0 to 199 and is currently serving a request at track 65. Disk queue requests are as follows: 93, 173, 132, 20, 35, 150, 100, 175 and 55.Which of the following statements satisfies these requests for the SSTF (Shortest Seek Time First) algorithm?a)Total head movements = 250 cylindersb)Total head movements = 200 cylindersc)The request order is 65, 55, 35, 20, 93, 100, 132, 150, 173 and, 175d)The request order is 65, 55, 93, 173, 132, 20, 35, 150, 100, and 175 Correct answer is option 'B,C'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Suppose that the rotating disk head is moving with 200 tracks numbered from 0 to 199 and is currently serving a request at track 65. Disk queue requests are as follows: 93, 173, 132, 20, 35, 150, 100, 175 and 55.Which of the following statements satisfies these requests for the SSTF (Shortest Seek Time First) algorithm?a)Total head movements = 250 cylindersb)Total head movements = 200 cylindersc)The request order is 65, 55, 35, 20, 93, 100, 132, 150, 173 and, 175d)The request order is 65, 55, 93, 173, 132, 20, 35, 150, 100, and 175 Correct answer is option 'B,C'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Suppose that the rotating disk head is moving with 200 tracks numbered from 0 to 199 and is currently serving a request at track 65. Disk queue requests are as follows: 93, 173, 132, 20, 35, 150, 100, 175 and 55.Which of the following statements satisfies these requests for the SSTF (Shortest Seek Time First) algorithm?a)Total head movements = 250 cylindersb)Total head movements = 200 cylindersc)The request order is 65, 55, 35, 20, 93, 100, 132, 150, 173 and, 175d)The request order is 65, 55, 93, 173, 132, 20, 35, 150, 100, and 175 Correct answer is option 'B,C'. Can you explain this answer?.
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