Secondary Storage

Secondary Storage

1. Optical

   • DVD
   • CD
   • Blue ray
   • Optical storage is the storage of data on an optically readable medium. Data is recorded by making marks in a pattern that can be read back with the aid of light
   • Optical storage is the storage of data on an optically readable medium.

2. Solid state

   • USB
   • SSD
   • Solid-state storage is a type of computer storage media made from silicon microchips. SSS stores data electronically instead of magnetically, as spinning hard disk drives.
   • A type of non-volatile computer storage that stores and retrieves digital information using only electronic circuits.

3. Magnetic

   • Floppy disk
   • Hard drive
   • Magnetic storage is one of the most affordable ways to store large amounts of data. Magnetic storage uses the two types of magnetic forces to show the binary information with of zeros and ones.
   • A place for holding information (data, voice, video, etc.), such as tape and disk.