Memory Element

  • A device which can remember value indefinitely
  • Change value on command from its inputs
  • A basic unit of storage element, able to store 1 Bit
  • 2 Types - Latch & Flip-flops

Physical Address

  • The address that points to a collection of Memory Element
  • Usually one physical address points to 8 memory elements to form address Byte

Memory Frames


  • A type of Main Memory characterised by its fast access speeds, but generally higher cost and lower density (stores less data per unit area)



  • A random specific memory location can be accessed instantly without waiting to render until that location. complexity