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CPU (Central Processing Unit)

Hard Drive

• Advantages
  • Persistent storage
  • Easily replaced and upgraded
  • Large capacity
  • Faster than optical disks like DVD's
• disadvantages
  • Relies on moving parts
  • Disk surface can be damaged
  • Slow read and write speed than RAM
  • Noisy
  • Heavy power consumption
• Stores all the programs, operating systems and files needed for the system to run.

Cores

RAM

Clock Speed