Computer Science Unit 1

Computer Science Unit 1

1. Processor Components

   • Current Instruction Register
   • Memory Address Register
   • Memory Data Register
   • Program Counter
   • Accumulator
   • Arithmetic-Logic Unit
   • Buses
     • Data Bus
     • Control Bus
     • Address Bus
     • Buses consist of a series of connectors that transfer signals between the internal components.
   • Control Unit
     • The part of the processor that coordinates the activity of all the other components
       • Control Signals are sent along the control bus between the control unit and the other components of the computer.