Other reference books :

1. Computer Architecture A Quantitative Approach
                             Authors: John L Hennessy and David Patterson
                             Publisher: Morgan Kaufman
   
2. Structured Computer Organization
                             Authors: Andrew S. Tanenbaum
                             Publisher: Prentice-Hall India
   
3. Computer Organization and Design
                             Authors: P. Paul Choudhury
                             Publisher: Prentice-Hall India