CPU

CPU

1. registers

   • mar-stores current instruction
   • acc-stores results alu
   • mdr- data from memory
   • pc-store next instructions
   • von neumman architeture

2. clock speed

   • billion per second
   • cores
   • speed of CPU

3. fetch decode execute

   • Fetch next instructions
   • Decode the instructions
   • Executes

4. cache

   • small faster memory
   • size affects speed

5. instruction cycle