Multiple choice

An imaginary disk has 50 cylinders. If disk head on a cylinder is 15. Find the number of disk moves using shortest seek time first algorithm. The new requests are as follow: 5, 45, 10, 30, 21, 42, 35.

  1. 51

  2. 50

  3. 49

  4. 55

  5. 52
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The total moves are as follows = (15 - 10) + (10 - 5) + (21 - 5) + (30 - 21) + (35 - 30) + (42 - 35) + (45 - 42) = 50

 

Keep practicing — related questions