5º ELEMENTARY: STORAGE DEVICES

We´ll see the different storage devices. As you remember we meet two technologies:

Optic technology: 
Uses a light ray to read data from discs (used in cd-roms, dvd-roms, dvd players, videogames, etc)

Drive lens

Magnetic Technology:
Uses magnetic fields (used in hard disk)

Hard Disk Header 

Here you have the comparative tables of the storage devices. (CLIC OVER THE PICTURES TO SEE IN A BIGGER SIZE)

TRANSFER RATE:

STORAGE SPACE:

 

COST FOR THE DEVICE:

 

 AVERAGE COST OF STORAGE SPACE:

 

FUTURE: