Answer to Question #44427 in Math for Sujata Roy

Question

A hard disk system has the following parameters:
Number of tracks=500
Number of sectors/track=100
Number of bytes/sector=500
Time taken by the head to move from one track to adjacent track=1ms
Rotation speed=600 rpm
What is the average time taken for transferring 250 bytes from the disk?
(A)300.5 ms (B) 255.5 ms (C)255 ms (D)300 ms