Chapter 2

Question 1

What are RAIDS 0 , 1 , 5?

Answer 1

Raid 0, also known as striping, is a transfer of information on hard drives with two hard drives. Both hard drives equate to more volume of space.
RaID 1 - MIRRORING. transfers all information and duplicates the information creating a backup. Preserves hard drive for hard drive failure.
RAID 5- is a combination of both using three or more. It uses parity and allows hard drives to recover information from a failing or crashed drive. neighboring drives have parity on different discs and rebuilds the drive.

Question 2

What is the difference of HD and SSD cards?

Answer 2

Discs and chips.

Question 3

What are voltages for input and output for power supply?

Answer 3

3.3, 5, -5 12, -12

Question 4

What is the anatonomy of a hard drive?

Answer 4

platters, read/write heads, tracks, sectors, cylinders

clusters.

Question 5

What is the media capacity of a CD- ROM?

Answer 5

650 MB, 700 MB, 800 MB, 900 MB

Question 6

what are three types of optical storage devices?

Answer 6

Blu-ray, DVD, CD