1. How Computers are Organized
   1. 1Processors and Memory
      1. 1.1Processor Registers
      2. 1.2Instruction format
   2. 2Two Simple Programs
   3. 3Machine Language Program
   4. 4How the Computer Executes a Program
      1. 4.1Processor Flow Chart
      2. 4.2Executing a Program
   5. 5A J Model of the Computer.
      1. 5.1The Memory Model
      2. 5.2The Processor Model
      3. 5.3A J Session Using the Computer Model