Answer:
C, D, E,
Explanation:
Use the header row option
Use the descending option
Use the Percentage field option
Generally I'd recommend not buying one online, tends to be cheaper from a shop - and better used, although their are some risks with 2nd hand devices, I think the big price cut it worth it.
If you did want to buy online, maybe Amazon or Ebay?
Answer:
B) the time it takes for the required sector to position itself under the read/write head.
Explanation:
In Computer science, Access time is the time it takes for the required sector to position itself under the read/write head. It is usually measured in milliseconds.
It is the speed of the storage device.