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:
can you explane about answer of this question ?
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