Recap – What Is Secondary Storage
Secondary storage is non-volatile memory that is used to store the following:
- The operating system
- Installed application programs
- User documents
This means that they are retained even when the computer is turned off.

Characteristics
The suitability of which secondary storage device to use for given situations is determined by a range of characteristics. These factors are:

Storage Timeline
As time has gone on many storage devices are no longer used and are considered redundant. Look at the timeline below to see how many you remember.
