Storage devices

Storage devices

1. Optical

   • Advantages
     • Mass storage
     • Low coast
     • Long media life
   • Disadvantages
     • Sometimes not re usable
     • Older computers do not read disks
     • Copying speed
   • DVD-ROM
   • Directly attached optical media library devices
   • CD ROM

2. Magnetic

   • Advantages
     • Keeps track of permanent information.
     • Memory sticks can not store up to as much capacity as this can since this can store thousand gigabytes of infomation.
     • Does not cost as much since memory sticks are 1 percent less of the data capacity of a hard drive with the same cost.
   • Disadvantages
     • Slow data accessibility
     • Presents of inter record
   • magnet
   • Floppy Disk.
   • Magnetic-core memory

3. Purpose

   • Disadvantages
     • Slower to access
     • Crash more oftem
     • Can not be transfered
   • Advantages
     • Cheaper
     • Alot of storage

4. Solid state

   • Advantages
     • Fast
     • Durable
     • No noise when in operation
   • Disadvantages
     • Dont last long
     • Limated storage
     • Not speedy
   • Computers/laptops