Gary’s Blog

  • 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 hides in the background, scareware bursts onto the screen Read More
  • 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
  • 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
  • School and Democracy
    In 1989, I was preparing to participate in a science curriculum project; actually, I was invited to chair the committee, but the curriculum coordinator decided it would be very unpopular to have a first-year teacher assume that role. I did reflect on the work the committee was going to undertake, and this post contains a Read More
  • “The Scientific Method” Is Not Scientific
    Recently, I have been looking through some writing I did in the late 1980s and early 1990s. Some of it is not noteworthy but some if it is. This post is drawn from a note I made in the spring of 1993. Science fair projects are a staple of science teaching (or at least it Read More
  • 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