Critical Disk-Read Only Memory

Compact Disk- Random Only Memory

Critical Disk-Radius Only Memory

Compact Disk-Read Only Memory

Input

Output

Software

Storage

Main Object Drive

Magneto-Oriented Drive

Magneto-Optical Drive

Main Oriented Drive

Primary storage

Secondary storage

Removable disk

Input device

Call to doctor

Take support to other

Switch off the electric power

Direct pullout