Question 1 0 out of 1 points Each surface of a platter needs

Question 1

0 out of 1 points

Each surface of a platter needs a read/write head to fetch/store data on the platter. How many read/write heads in a hard disk with 4 platters?

8

0 out of 1 points

_______ requires more disk spaces due to redundancy of data storage.

1 out of 1 points

A group of two or more integrated hard disks is called ______.

RAID

0 out of 1 points

Given a hard drive with 3 platters, there are _____ tracks in a cylinder.

0 out of 1 points

Data mirroring helps in _________

1 out of 1 points

________ is a type of storage medium that consits of a flat, round, portable disc made of metal, plastic, and lacquer that can be used using laser technology.

0 out of 1 points

A pit is an indentation on a track of an optical disc and area between pits is called land. When a reader sense a change from pit to land in a given time unit, indicates a ______ is read.

0 out of 1 points

A ______ device is one of the computer hard components that records and/or retrives data to and from it.

0 out of 1 points

Data striping helps in _________

0 out of 1 points

A pit is an indentation on a track of an optical disc and area between pits is called land.
When a reader sense a change from land to pit in a given time unit, indicates a ______ is read.

Solution

1)each platter has 2 heads of its both sides so for 4 platters it needs 8 read write heads

2)diskspaces means the amount of memory in ram devices like hard diskor flopydiks

3)if you have three platters if you think that each each platter has n tracks then the total tracks is also 3*n tracks