Thursday, June 7, 2007

Question 20

Which of the magnetic disk devices A, B, C and D with the specifications shown in the table has the shortest time for accessing 50 Kbytes recorded on a single track? In this example, it is assumed that the access time affected by elements other than the parameters shown in the table can be ignored.

Disk rpms(revolutions per minute) Average seek time (milliseconds) Average track capacity (KBytes) Data transfer rate to and from computer (MBps)
a) 5,000 8 100 10
b) 5,000 10 200 5
c) 10,000 8 100 5
d) 10,000 10 100 5

a) A
b) B
c) C
d) D


1 comment:

DBCertificate said...

can you explane about answer of this question ?