Working Up

by Dwayne Phillips Systems are commonly built by connecting smaller systems. This requires that the systems are connect-able, and that requires a defined interface. Most of the time, we build systems by connecting large boxes together in a system diagram. There are exceptions, and another post will discuss some of those. Still, connect the boxes […]

[Read more →]

by Dwayne Phillips The original hackers were the good guys. Some of today’s hackers still are. Nintendo recently brought back a handful of old video games in a clever packages called the NES Classic Edition. They sold a boat-load of them. The trouble is, you can’t add any games to it. Enter good-old hackers who […]

[Read more →]

by Dwayne Phillips First you work on a small problem set. Once you learn from that, you expand the problem set. Google recently started hiring speakers with accents to help train its speech recognition software systems. Why didn’t they do this sooner? Why did they only use middle-America, white-bread Americans, or some other Johnny Carson, […]

[Read more →]

by Dwayne Phillips Regardless of what Excel tells us, significant digits (remember that?) tells us otherwise. Recall something called significant digits from high school math? Consider calculating something with two numbers. One number has two digits while the other number has three digits. The answer can only have two digits. For example, 23 x 123 […]

[Read more →]

by Dwayne Phillips Life is much easier when I distinguish myself from things that I produce. I write. I write blog posts, books, magazine articles, and lots of documents at work. People tear up some of the things I write. That can hurt, if I don’t know the difference between me and something I wrote. […]

[Read more →]

by Dwayne Phillips Call me too literal, call me too geeky, but I want to have actual 2D anything. 3D! 3D! 3D! Everybody wants 3D everything. We want… 3D printing 3D user interface on the smartphone 3D movies 3D gestures for control of computers 3D integrated circuits The list goes on. Silly me, I want […]

[Read more →]

by Dwayne Phillips Systems built by persons often have more capability than intended. Someone will arrive who will find and use these. I stumbled onto this story recently about persons in Angola who have limited Internet access. They found ways to use Wikipedia and Facebook that the creators of those systems did not intend. The […]

[Read more →]

by Dwayne Phillips Don’t do anything that you can’t explain to the paramedics. I learned this rule at a workshop held by author and consultant Jerry Weinberg. We were learning how to do simulations or exercises in seminars. You didn’t want to do anything that would accidentally break any bones or cause other things that […]

[Read more →]

by Dwayne Phillips Questioned if I noticed little patterns in the data, I asked back about little tools. Several decades ago, I interviewed for a job in some sort of computer center that processed some sort of data. The descriptions were intentionally vague because the person speaking to me felt that it was all too […]

[Read more →]

by Dwayne Phillips Systems analysis is merely a few basic skills in what a person notices. From time to time I analyze systems. I analyze all types of systems, and most of those systems are usually not recognized as systems. I suppose I have a broad idea of what comprises a system. A fundamental skill […]

[Read more →]