Tags: computing

Shareware: Yesterday, Today, and Tomorrow

Shareware software had a simple premise: You could try the application and if you liked it, you paid for it. In those halcyon days, the PC software market was still getting its traction. Most programs were expensive—a single application often retailed for $495, in 1980s dollars. Often, they were...
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Re-Creating the First Flip-Flop

The flip-flop is a crucial building block of digital circuits: It acts as an electronic toggle switch that can be set to stay on or off even after an initial electrical control signal has ceased. This allows circuits to remember and synchronize their states, and thus allows them to perform ...
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Learn how to keep your computers synchronized, using NTP and systemd.

Keep Accurate Time on Linux with NTP

How to keep the correct time and keep your computers synchronized without abusing time servers, using NTP and systemd. What Time is It? Linux is funky when it comes to telling the time. You might think that the time tells the time, but it doesn't because it is a timer that measures how long a...
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What Is OpenHPC?

High performance computing (HPC)—the aggregation of computers into clusters to increase computing speed and power—relies heavily on the software that connects and manages the various nodes in the cluster. Linux is the dominant HPC operating system, and many HPC sites expand upon the operating...
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Exploring AMD’s Ambitious ROCm Initiative

The open source ecosystem is a vast world of free tools and interacting components: drivers, APIs, compilers, and programming languages. The story of Linux and the open source movement has always been about building this ecosystem and completing the pieces of the puzzle to create a flexible,...
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Blockchain and the Web Are Coming Together, Says Berners-Lee

Sir Tim Berners-Lee is a famous computer scientist and academic who invented the World Wide Web in 1989—so when he talks about new technologies it’s worth paying attention. Today, one of the topics on his mind is blockchain, a revolutionary way of creating permanent, tamper-proof records across a...
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Metaphors We Compute By

A well-known unattributed quote (often misattributed to Charles Baker) is, "To program is to write to another programmer about our solution to a problem."2 A program is an explanation of how a problem might be solved; it's a metaphor that stands in place of a person's understanding. For metaphors...
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IEEE Looks Beyond Moore’s Law with IRDS Technology Roadmap

IEEE is taking a lead role in building a comprehensive, end-to-end view of the computing ecosystem, including devices, components, systems, architecture, and software. In May 2016, IEEE announced the formation of the IRDS under the sponsorship of IEEE RC. The historical integration of IEEE RC and...
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Claude Shannon, the Father of the Information Age, Turns 1100100

Claude Shannon: Born on the planet Earth (Sol III) in the year 1916 A.D. Generally regarded as the father of the information age, he formulated the notion of channel capacity in 1948 A.D. Within several decades, mathematicians and engineers had devised practical ways to communicate reliably at data...
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