Secondary storage

Secondary storage

1. solid state

   • SSD costs more than a conventional hard disk drive recovery of lost data.
   • increased durability due to no moving parts to wear out or fail. significantily faster data transfers rates more reliable long term storage.
   • Flash memory devices are solid state products while hard drive are not.
   • In computers, solid-state device is a term used to describe a storage media that does not involve magnetic disks or any moving parts.

2. optical storage

   • Mass storage capacity (on the order of gigabytes) Mountable/unmountable storage units. Low cost per bit of storage. Long media life. High data stability.
   • The biggest disadvantage of optical storage isdisk capacity.
   • Tape
   • Floppy disk