Includes bibliographical references. / This thesis discusses the University of Cape Town implementation of a table driven back end processor. The back end processor takes as input an intermediate tree representation of a high level programming language. It produces as output an object text ready for assembly. The specifications of the input tree and the output object are supplied to the back end processor via two tables. The initial motivation for this project was the need to provide a back end processor capable of taking the DIANA tree output of the University of Cape Town front end processor and producing a corresponding P-code object. The University of Cape Town back end processor is implemented using Pascal and C in a Unix V environment.

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This episode is a brief introduction to the Geek Author series, Computer Organization and Design Fundamentals, and to it’s host, David Tarnoff.

Let’s expand the capabilities of Karnaugh maps to combine more than just two rows of the truth table into a single product.

A multiplexer, sometimes referred to as a data selector, allows us to select which digital stream to route to an output. Designing this circuit is a lot easier than it sounds.

A demultiplexer takes a single data stream and routes it to a selected output channel, a bit like one of those old A-B printer switches we used to physically select which printer we were sending data to. In this episode, we show how to design one.

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