Wednesday, 30 March 2011

1.4b Types of Primary Memory

ROM (Read-only)
Small permanent memory that holds a small program called the bootstrap - Looks for OS when "Booting"

RAM (Random Access Memory)
  • Holds OS / Data / Programs that are IN USE.
  • Emptied when PC is switched off.



ROM - Non-volatile (Doesn't Change)
RAM - Volatile (Able to Change)

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