Because you use it everyday, Because you will likely use it for the rest of your life, Because you are a CS major, studying computer science. • It has all the functional components necessary to be a real working computer. It should maximize performance and reduce costs as well as power consumption.The different components in the Computer System Architecture are Input Unit, Output Unit, … Hmmm… well in case you’re not joking: Understanding the architecture that you’re coding on is absolutely essential to getting the most out of the system. The ISA includes anything programmers use to make a binary machine language program work correctly, including instructions, I/O, etc. Notably, many people find it difficult distinguishing computer organization from computer architecture, because they are significantly related to each other. Because computer architecture is perhaps the most fundamental subject in computer science. Without computers, the field of computer science does not exist. • MARIE: a Machine Architecture that is Really Intuitive and Easy, is a simple architecture consisting of memory (to store program and data) and a CPU (consisting of an ALU and several registers). Computer organization deals with the hardware components of a computer system, which include I/O devices, the central processing unit, storage and primary memory devices. Dr. David A. Patterson is a pioneer in computer science who has been teaching computer architecture at the University of California, Berkeley since 1977. Level 2 - Instruction Set Architecture (ISA) - One of the most important parts of a computer is the interface between the lowest-level software and the hardware. 4.2.1 The Architecture 157 Early computer buses were literally parallel electrical wires with multiple connections, but Modern computer buses can use both parallel and bit serial connections. Single bus structure In computer architecture, a bus is a subsystem that transfers data between components inside a computer, or between computers. USES OF COMPUTER COMMUNICATIONS. A computer system is basically a machine that simplifies complicated tasks. CS429: Computer Organization and Architecture Instruction Set Architecture Dr. Bill Young Department of Computer Science University of Texas at Austin ... Use variety of tricks to make it run faster E.g., execute multiple instructions simultaneously CS429 Slideset 6: 3 Instruction Set Architecture. 1.1 Organization and Architecture 7 1.2 Structure and Function 8 1.3 Key Terms and Review Questions 14 Chapter 2 Computer Evolution and Performance 15 2.1 A Brief History of Computers 16 2.2 Designing for Performance 37 2.3 Multicore, MICs, and GPGPUs 43 2.4 The Evolution of the Intel x86 Architecture 44 2.5 Embedded Systems and the ARM 45 Why Study Computer Architecture? Computer communications are everywhere. 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use of computer organization and architecture

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