0 0 votes please solve question 22(a) 3600 rpm (b) 6000 rpm (c) 3000 rpm (d) 2400 rpm Q. 22 A disc rotates at a speed of 7200 rpm . It has 4000 cylinders, 16 surfaces and 256 sectors per track. What is the Guerage latency time of the disk? (a) 8.33 ms (b) 4.166 ms (c) 41.66 ms (d) 8.33 ms 23) A magnetic drum of 8 inch diameter has 100 tracks and storage density of 200 bits/inch. What is its storage capacity? CO & Architecture co-and-architecture disk made-easy-booklet + – deepanshu sharma 3 750 views answer comment Share Follow Print See all 3 Comments 3 3 Comments reply Jaideep Bankoti commented Dec 7, 2018 i edited by Jaideep Bankoti Dec 8, 2018 reply Follow flag is it 4.16ms seek time and disk read time is assumed to be zero , so average time found using half the rotation delay (rotation delay = 1/rotation speed) 0 0 replyShare deepanshu sharma 3 commented Dec 7, 2018 reply Follow flag answer provided is option b 0 0 replyShare Jaideep Bankoti commented Dec 8, 2018 reply Follow flag It is b , it was typo 0 0 replyShare Please log in or register to add a comment.
