Storage

Storage

1. 3 Types

   • Primary
     • Refers to the memory areas that the CPU can access very quickly
   • Secondary
     • Where all data is stored when not in use
   • Tertiary
     • Used for storing data for long term purposes. Mainly used for archives and back ups

2. What to look for?

   • Speed
   • Capacity
   • Durability/Portability
   • Reliability

3. Magnetic Hard Disks

   • Traditional internal storage in PCs and laptops
   • Its made up of a stack of magnetised metal disks spinning around
   • Data is stored in sectors
   • secondary storage

4. Solid state drives

   • Most of them used a type of flash memory
   • SSDs have significantly faster read/write times than HDDs
   • SSDs can give much quicker times for booting up and opening programs and files