cpu

cpu

1. purpose of cpu 1.1.1

   • fetch decode execute
   • arithmetic logic unit(ALU)
     • does the maths
   • control unit
     • controls flow of cpu
   • cache
     • quick access
   • registers
     • program counter
       • address next instruction
     • MDR
       • data fetched memory
     • MAR
       • address current instruction
     • acc
       • results from ALU

2. cpu performance 1.1.2

   • clock speed
     • amount fde cycles p/s
       • higher clock speed more cycles p/s
   • cache size
     • bigger size better performance
   • number of cores
     • + cores + cycles + cycles simultaneous;y