For networks to function, packets of information must make it to the correct destination (to the correct IP address). This depends on accurate addressing and also on effective routing. As the name suggests, a routing is the network function in which packets are sent via a route to their destination. Routing occurs between the LAN Read More
Year: 2018
Epistemology is Not a “Four-Lettered” Word #1: Certainty of Knowledge
I found a draft of an essay I wrote a few years ago that still seems relevant… the essay never made it off my hard drive… until now and it is going to be a series of blog posts. Epistemology is a branch of philosophy in which we consider the nature of knowledge. What is Read More
Edtech for Edleaders: What Computers Do
Edtech for Edleaders: What Computers Do We are all amazed at the power of computers. They can do so much that humans cannot… they extend our cognitive abilities… they can be leveraged for so many purposes. Or at least that is the narrative that surrounds computers and digital devices, but computers really can do only Read More
Capacity for Learning
77: Capacity for Learning Every day, we read and hear about the changing nature of work. “The job that existed before no longer exist” and “the jobs that our students will have do not exist yet” are themes we encounter in the business press, the education press, and in the current events press. We could Read More
Edtech for Edleaders: LMS Options
When school and technology leaders decide their students and teachers have “outgrown” the simple online classrooms provided for free by various providers, they have two decisions to make, and each is a choice between two choices. The first choice is “Which platform shall we install?” Of course, there are far more than two learning management Read More
Evidence and Design
When I was studying biology as an undergraduate, a students asked the physiology about Daltons, the unit used to measure the size of large molecules such as proteins. The professor was so used to using the term, he had to look up the definition so he could explain it to the 250 or so students Read More
Reflexivity: Teachers and Technology
In a previous post, I presented reflexivity as a phenomenon that we can observe in schools. The concept is grounded in the mutual feedback and feedforward influences that exist between humans and the technologies they use (especially the information technologies they use). Reflexivity can be extended to other observations in schools as well. For example, Read More
Multitasking
Rereading The Teenage Brain and I found this image which struck me as I had minutes earlier finished a conversation in which students debated the degree to which they can multi-task. I am gal to hear some students beginning to realize that they cannot perform as well when they are distracted by phone, friends, or Read More
Edtech for Edleaders: Learning Management Systems Defined
Today’s classroom is (or should be) a supplemented by web-based resources. Information and interaction (including feedback from teachers) can be facilitated through web sites and services. These are available form many sources, including vendors (who charge fees or use advertising to support freemium versions) and open source sources. Collectively, many apply the label “web 2.0” Read More
Edtech for Edleaders: Wireless Networks (wifi)
The term “wireless” can be applied to two types of IT networks that are commonly accessed by students and teachers. Individuals who carry smartphones and some tablet computers into school buildings connect those devices to the network of cellular phone towers. Those connections depend on the owner having an active account with a provider and Read More