Author: Ray Keefe

  • Space: The Final Frontier

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    Ray Keefe
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    OK, I couldn’t resist the title. But you will see why below.   This post was inspired by Romanian teenager Raul Oaida who engaged the help of Melbourne entrepreneur Steve Sammatino to put together a space project. Their motivation was to remind us all that we can now do many things because we want to,…

  • Operating Systems

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    Ray Keefe
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    Software Operating Systems The Operating System is the core Software Architecture component that determines how the overall system task execution happens. Over time, a number of Operating System types have been developed. For this post, we will focus on Embedded Software Operating System types. The primary ones are:   Round-robin Scheduler Round-robin Scheduler with Interrupts…

  • Software Reuse: Software Architecture

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    Ray Keefe
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    Modular Software One of the primary goals of modern Software Development is the creation of code that is reusable. This is known as Software Reuse or Code Reuse and the results so far are pretty disappointing. There are a number of reasons for this:   There are multiple software architecture options available There are multiple…

  • Software versus Hardware

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    Ray Keefe
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    Electronics Hardware The idea for this post came from an interesting article by Bryan Murdoch who also writes a blog on technology topics. In the article he looked at why some developers can be Averse To Change and made some interesting observations about why that is so. One of those conclusions I agree with very…

  • Australian Manufacturing Jobs

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    Ray Keefe
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    Australian Manufacturing Jobs In some recent conversations it became clear to me that most people I talk to in Australia don’t understand both how large the Australian Manufacturing sector is or how critical manufacturing is to Australian Employment and Australian Financial Prosperity.   In Modern Economies Need Manufacturing I cited research by Professor Goran Roos…