5. A disk has 24000 cylinders, cach with 16 tracks of 512 blucks. A seck takes I ns percylinder moved. II' no attempt is made to put the hioks of a lile close to each otber. two blocks that arelogically consecutive (i.c.. follow one another in the file) will require aun averragc seck. which tikes 6 mis. If.however. the operating system makes un attempt to cluster selated blocks. the meun interblock distancc c:ul bereduced lo 2 cylinders and the seek time seduced to 200 jas. Assuming that the rotational laleney is 3 mi andthe transfer time is 10 ps per block, answer the following questions.
【題組】(a)How long does it take to sead a 300 block randomly placed file?