The CPU, Instruction Fetch & Execute

The CPU, Instruction Fetch & Execute

1. A Bog Standard Architecture

   • CPU
     • The CPU contains
       • A number of registers
       • An arithmetic logic unit
       • The control section
       • Connections to the memory
       • Internal buses
     • CPU Registers
       • Memory Address Register
       • e Memory Buffer Register
       • Program Counter
       • Instruction Register
       • Stack Pointer
     • Units in the CPU
       • Control Unit
       • Arithmetic Logic Unit
       • Status Register
   • Buses, registers, and their widths
     • Data
     • Address
     • IR
   • Introduction to the Main memory
     • RAM
     • ROM
     • MBR←hMAR i
     • hMAR i ←MBR