Data storage and media devices

Data storage and media devices

1. Data storage and backing up data

   • What is it?
     • Backing up storage
       • Backing up storage is the process of using a storage device to copy
   • Overview of data storage
     • The term that we need to aware of are
       • Writing of data=Storing data(also known as save)
       • Reading data=Getting our data back(also known as opening)
     • Data can either be store in
       • Temporary
         • Ram(Computer memory)
       • Permanently
         • Backing storage devices
   • Key word
     • Data,Storage, Save/Write,Open and read,RAM,Permanent,Valotine,Non-Valotine

2. Optical storage media

   • What is it?
     • All the mediums that uses a light source to read/ write data on to disc.
   • Overview of it
     • Data is read by shining the laser on beam onto the surface of the disc.
     • In order to read/write data on a disc you need a disc drive.
   • Example
     • CD-Rom
     • DVD-Rom
     • Bluray Disc