Updating our storage devices

Cd Rom:CD ROMs disks are very common and conform to a standard. They are removable and there are different types of CD-ROM:

CD-ROM R (Read Only Memory) Capacity from 700 MB o 800MB
CD-ROM RW (ReWritable) Capacity from 700MB o 800MB
DVD-ROM R (Read Only Memory) Capacity from 4,7GB o 8GB
DVD-ROM RW (ReWritable) Capacity from 4,7GB o 8GB.

Pen Drive:We need a USB port.
- The diferent tipes capacity.

-The standard capacity is 1 o 2 GB.

-The pen drive is portable.