1.3 storage

1.3 storage

1. Secondary storage

   • Long term storage for data, storage and software
   • We store things in there to access later or interact with the computer
   • Without it we need to install software each time we use it
   • Also wouldn't be able to save any files
   • HDD, SSD, Flash Mem, Blue-ray

2. Optical

   • A laser light that marks the disk
   • The light detects the patterns and allows us to see whats on the disc
   • blu-ray
   • DVD ROM
   • CD ROM

3. Magnetic

   • Hard Disks
   • Tape drives

4. Solid State

   • Made of microchips which if 1 or 0 is stored
   • Solid Sate Drive
   • USB

5. Characteristics

   • Capacity
     • How much data can be held
   • Speed
     • How fast it performs
   • Portability
     • How easy it can be moved
   • Durability
     • how long it will last
   • Reliability
     • How well it performs
   • Cost
     • How much it costs per MB GB