A+101 module 3

Question 1

The 6 Storage devices

Answer 1

HDD (hard disk drive): uses spinning magnetic disks to store data.
SDD (solid state drive): uses Flash memory chip to store data
optical drives: rends and writes data using laser technology
External hard drive: main circuit board
NAS: uses a dedicated device or server
SAN: provides block-level access to storage

Question 2

HDD parts

Answer 2

Spindle: smallest unit of storage on a HDD
Sector: Smallest unit of storage on an HDD
Cluster: minimum addressable unit for file systems
Track: concentric circle on the surface of a platter
Cylinder: collection of tracks aligned across multiple platters