3 +4 Backing Storage and types of storage

Question 1

Magnetic

Answer 1

Information stored in a linear fashion, on a device that has been magnetised. 1=magnatised 2=non magnetic

Question 2

Optical

Answer 2

Information stored in a spiral. When information is put on disk pit=1 no pit=0. When being read a lazar is used to read it. More can be stored on optical than magnetic.

Question 3

Solid state

Answer 3

Uses flash memory, millions of transistors/switches . Solid state drive is shock proof.

Question 4

Hard disk

Answer 4

Magnetic, internal

Non volatile storage device containing magnetic disks that spin fast.

Question 5

CD compact disk

Answer 5

Optical, external

Up to 700mb of data stored as notches and read by a laser.

Question 6

DVD digital versatile disk

Answer 6

Optical, external

4.7 gb usually used to store multimedia

Question 7

SSD solid state drive

Answer 7

Solid state, external

Non volatile, millions of electronic switches that are either on or off.

Question 8

USB Universal Serial Bus

Answer 8

Solid state, external and remote

Due to no moving parts they are extremely robust

Question 9

Floppy disk

Answer 9

Magnetic, external

Thin magnetic disk in a plastic case. Was capable of storing 1.44mb

Question 10

Magnetic tape

Answer 10

Magnetic, external

Data is stored sequentially on a flexible tape which is created from electromagnetic material.

Question 11

Cloud

Answer 11

Magnetic, internal

Data is stored on a remote server and accessed via internet