Friday 1 February 2013
Part
a)
10 Marks
What
advantage and disadvantage do we get if Bytes per Sector used in a file system
is too small/large? Your answer shall be in the following tabular format.
|
Scenario
|
Advantage
|
Disadvantage
|
|
No. of Bytes per Sector is Small
|
|
|
|
No. of Bytes per Sector is Large
|
|
|
Part
b)
10 Marks
Let suppose we have to store files on a hard disk having sizes
given as below.
840 Bytes, 1790 Bytes, 650 Bytes, 2470 Bytes and 2840 Bytes.
You have to choose an optimal size of sector on your disk
which also referred as Bytes per Sector or Block Size. You have the choice to
choose the Sector size only from typical values 512 Bytes, 1024 Bytes or 2048
Bytes. Do not make random guess, do some calculations and report them in your
solution. Based on your calculations, answer the following questions with
reasons stated briefly.
Question No.1: What Block size will you choose if the
objective is to have optimal disk space utilization?
Question No.2: What Block size will you choose if the
objective is to have reduced access time?
