MARIE: An Introduction to a Simple Computer

“When you wish to produce a result by means of an instrument, do not allow yourself to complicate it.”

—Leonardo da Vinci


Designing a computer nowadays is a job for a computer engineer with plenty of training. It is impossible in an introductory textbook like this (and in an introductory course in computer organization and architecture) to present everything necessary to design and build a working computer such as those we can buy today. However, in this chapter, we introduce the reader to design by first looking at a very simple computer called MARIE: a Machine Architecture that is Really Intuitive and Easy. We then provide brief overviews of Intel and MIPS machines, ...

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