Question: 6 . Consider a disk with 2 5 cylinders. While the head arm is on cylinder 1 0 , new requests come in for cylinders

6. Consider a disk with 25 cylinders. While the head arm is on cylinder 10, new requests come in
for cylinders 5,20,15,3 and 9 respectively. How many disc arm motions are required to complete all
these read requests with elevator disc scheduling algorithm?Algorithms select the left side for first
motion

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