storage devices

FORMATS OF CD

• CD-ROM

• CD+ROM

• CD+RW

• CD-R

FORMATS OF DVD

• DVD+ROM

• DVD-R

• DVD+R

• DVD-RW

Compare it.

• RAM

• 
• ROM

• 
• Flash memory

• 

Match the words with the picture.

a

b

c

d

disk pack

Chassis

Head actuator

Disk platter

Head arm

frame

main trigger

New disks need to be​ (a)   before you can use them.
A ​ (b)   is so called because it consists of a flexible sheet of plastic.

DVDs and CDs use a ​ (c)   to read data.

Flash memory is a type of ​ (d)   memory.

CD-RW means ​ ​ (e)   compact disk. ​

• formatted
• structured
• erased
• floppy disk
• magnetic disk
• laser beam
• light beam
• non-volatile
• volatile
• rewritable

Sort these devices into the appropriate categories.

Groups:

(a) Optical storage devices

,

(b) Magnetic storage devices

,

(c) Flash memory devices

,

(d) Other

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Is Maria Alexandrovna the best teacher in the Milky Way galaxy?

• yes)

• no =(