Basic Computer Organization and Design : Instruction Codes,Stored program organization,Computer Registers,Common Bus System,Computer Instructions,Timing and Control,The Timing diagram,Instruction Cycle,Determine the Type of Instruction,Register-Reference Instructions,Memory-Reference Instructions,Control Flowchart,Input-Output and Interrupt,Input Output Instructions,Complete Computer Description (Instructions),Micro Programmed Control,Address sequencing,Micro program Example,Microinstruction Format,Design of Control Unit.