science

Threshold of Impressionability

I’m always interested in the idea of becoming educated. What exactly happens when we have truly learned something? This idea is opposed by other things that we conflate with learning. Inert learning is the opposite of what is learning to me, and we are all familiar with this as we forget what was on the Read More

science

The (Troubling) Paradox of Imagination and Education

Imagination is the ability to create “things” when they don’t exist. We envy imagination amongst children, and imaginative play is an activity that early childhood educators confirm is healthy for young children. It so healthy for their cognitive development, they many promote their programs as encouraging it. As children get older, we are less concerned Read More

science

Reading versus Understanding

I recently rediscovered a story from my teaching career decades ago. It was recalled in a paper written in the after 1990s while working on my master’s degree. The course was “Reading and Writing in the Content Areas,” and I was describing a situation in my grade 7 math classroom.  “Today in class, we started talking about triangles. I put on the Read More

science

Understanding Scareware: How Fear Becomes a Cybersecurity Weapon

192: Understanding Scareware: How Fear Becomes a Cybersecurity Weapon a post for students in newtwork security class, I uploaded my notes about scareware to Co-pilot which wrote this post In the ever‑shifting landscape of cybersecurity threats, scareware stands out not because of its technical sophistication, but because of its psychological precision. Unlike stealthy malware that Read More

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Concepts of Operating Systems

a post for students in my community college course A modern computer is an incredibly complex system consisting of processors, memory, hard disks, network interfaces, and a myriad of other input/output devices. If every application programmer had to understand the intricate details of how all these hardware components work, no software would ever get written. Read More

science

Types of Operating Systems

a post for studentsin my operating system course at a community college A modern computer is a highly complex system consisting of processors, memory, disks, network interfaces, and a wide variety of input/output devices. If every application programmer had to understand the intricate, idiosyncratic details of how all these hardware components work, no software would Read More

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History of Operating Systems

a post created by AI using my notes for my course in operating systems as source 1. Introduction: The OS as the “Beautiful” Interface To the contemporary systems architect, a computer is a staggeringly complex assembly of processors, main memory, disks, network interfaces, and diverse I/O devices. From an application programmer’s perspective, the raw hardware Read More

science

On Hackers

A post prepared for students in my network security course The internet is a complex construction of devices and connections that spans the globe. It can be difficult to conceptualize every aspect of the internet to use it securely. By understanding how black hats find targets and how they create attacks against those targets, the cybersecurity defenses we build are improved. Read More