Q35

MCQ2 marks, −0.67

Consider the following five disk access requests of the form (request id, cylinder number) that are present in the disk scheduler queue at a given time. $(P, 155), (Q,85), (R,110),(S, 30), (T,115)$ Assume the head is positioned at cylinder $100$ . The scheduler follows Shortest Seek Time First scheduling to service the requests. Which one of the following statements is FALSE?

(A)

$T$ is serviced before $P$ .

(B)

$Q$ is serviced after $S$ ,but before $T$ .

(C)

The head reverses its direction of movement between servicing of $Q$ and $P$ .

(D)

$R$ is serviced before $P$ .

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