Storage Devices

Storage Devices

1. Purpose

   • What do we use storage for ?
     • Storing Data [ files operating system, applications].Permanently

2. Optical

   • Examples
     • Flash Drives
     • RMS
     • CDs, DVDs , Blu-Rays
   • Advantages
     • Low cost per bit of storage
     • Storage Capacity
   • Disadvantages
     • Durability : if its broken its normally useless

3. Solid State

   • Examples
     • Phones, tablets and gaming PCs/ laptops.
     • TV , Speakers, digital watches and flash memory devices
   • Advantages
     • Durable
     • Fast
   • Disadvantages
     • Expensive/cost

4. Magnetic

   • Advantages
     • Cost /cheap
   • Disadvantages
     • Durability; if any area of the tape is damaged or broken, it can lead to being useless.
   • Examples
     • Hard disk, Floppy disk
     • Magnetic tape