2.3 Compare and contrast storage types

Question 1

Volatile vs. non-volatile

Answer 1

Volatile memory is temporary and loses its data once the power is turned off, whereas Non-Volatile memory is permanent and retains its data even after power loss.

Question 2

RAM

Answer 2

• Volatile storage devices that hold computer data and program instructions while the computer is turned on

Question 3

ROM

Answer 3

Read-only memory
A ROM chip is a special form of memory that has data written to it during the manufacturing process and thus is not amenable to alteration.
- Non-volatile

Question 4

Storage Dive

Question 5

HDD

Answer 5

Magnetic disks/hard disk drive
- Mass storage device that uses mechanical platters with a magnetic coating that are spun under disk heads that can read and write to locations on each platter (sectors).

Question 6

SSD

Answer 6

Solid-state drive
- Persistent mass-storage device implemented using flash memory.

Question 7

NVMe

Answer 7

Non-volatile memory express
- Internal interface for connecting flash memory devices, such as SSDs, directly to a PCI Express bus. NVMe allows much higher transfer rates than SATA/AHCI.

Question 8

Optical

Answer 8

Mass storage device that supports CD, DVD, and/or Blu-ray media. Burner-type drives also support recording and rewriting.

Question 9

External Flash drives

Question 10

NAS

Answer 10

Network-attached storage
- Storage device enclosure with network port and an embedded OS that supports typical network file access protocols (FTP and SMB for instance).

Question 11

File Server

Answer 11

Keep all data

Question 12

Cloud Storage