Sajjan G. Shiva 
Computer Organization, Design, and Architecture, Fifth Edition [PDF ebook] 

Suitable for a one- or two-semester undergraduate or beginning graduate course in computer science and computer engineering, Computer Organization, Design, and Architecture, Fifth Edition presents the operating principles, capabilities, and limitations of digital computers to enable development of complex yet efficient systems. With 50 percent updated material, 11 new sections, and four revised sections, this edition takes students through a solid, up-to-date exploration of single- and multiple-processor systems, embedded architectures, and performance evaluation.