CPU

CPU

1. clock speed

   • measures in GHz
     • 1000 million per seccond

2. cache

   • High speed memory
     • more memory the faster it will be

3. ALU (Arithmetic logic unit)

   • does all the maths work

4. Number of cores

   • improves the speed

5. Control unit

   • Receives instruction from RAM and directs

6. Fetch , decode , execute cycle

   • fetch instruction/data from Ram
   • Process it
   • work out what to do