CPU

• Modern computers use von Neumann architecture
• stored program concept is a computer that has a program that is stored in memory and is executed by the CPU
• CONTROL UNIT -

  The part of the CPU that controls the flow of data around the computer

  controls and coordinate the activities in the CPU
• ALU- Arithmetic Logic Unit,

  performs arithmetic and logic operations on data and control signals
• CLOCK in CPU- Controls the timing of the CPU and the flow of data between the CPU and the memory