Computer Systems

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Synopsis

Computer Systems, Fifth Edition provides a clear, detailed, step-by-step introduction to the central concepts in computer organization, assembly language, and computer architecture. It urges students to explore the many dimensions of computer systems through a top-down approach to levels of abstraction. By examining how the different levels of abstraction relate to one another, the text helps students look at computer systems and their components as a unified concept.

New & Key Features:

- New high-order language - The high-order language is changed from C ++ to C. The C language is more common as a systems programming language and is more appropriate for a computer systems text.
- New sidebars - Each sidebar is a real-world example of the concepts described in that chapter. As most of the chapters describes the Pep / 9 virtual machine, the sidebars for those chapters show corresponding implementations for the Intel x86 architecture.
- New and expanded topics - New and expanded topics include, QR codes, color displays, Unicode, UTF-32 and UTF-8 encoding, floating point underflow, big-endian and little-endian order, memory alignment issues, and expanded RISC design principles and MIPS coverage to contrast with the Pep / 9 CISC design.
- New virtual machine - Pep / 8, the virtual machine for the two previous editions, is now superseded by the new and improved Pep / 9. Pep / 9 retains the same eight addressing modes of Pep / 8 but now includes memory-mapped I / O, an improved return-from-subroutine instruction, a new native compare-byte instruction, improved instruction mnemonics, and a new hexadecimal output trap instruction.
- New software - The Pep / 9 system in the text is supported by two updated open source software applications, the assembler / simulator and the CPU simulator.