Showing posts with label PowerCert Animated Videos. Show all posts
Showing posts with label PowerCert Animated Videos. Show all posts

Thursday, October 6, 2022

Everything You Need to Know About Computer Monitors

Back when I taught computer repair we got all kinds of old computers and monitors donated to our classroom. One of the seemingly never-ending challenges was matching monitors with computers. That was particularly true when my students would be confronted by units that had only VGA or DVI inputs. And there was always an conversation that included phrases like "this monitor is so old" and "can this monitor work with this input?" All that to say, I ended up spending time at the start of the course explaining various monitors and connections. I wish I had had Monitors Explained by PowerCert Videos back then. 

Monitors Explained by PowerCert Videos provides an excellent overview of monitor types, panel types, refresh rates, contrast ratios, and response time. 

Applications for Education
This video is obviously helpful for students who are in some type of computer repair class. It's also good to watch from the perspective of becoming an informed consumer before purchasing your next computer monitor.

Tuesday, February 1, 2022

What is a MAC Address? - Here's a Concise Explanation

PowerCert Animated Videos offer clear and concise explanations of big concepts in computer hardware and networking. I referred to them fairly often when I was teaching an introduction to networking course last year. 

The latest PowerCert video is MAC Address Explained. As the title states, the video explains what a MAC address is, how it's written, where to find it, and its role in networking. The video also does a great job of explaining the key difference between MAC addresses and IP addresses. Finally, a quick explanation of ARP (Address Resolution Protocol) ties the key concepts of the video together. 

Applications for Education
Most readers of this blog will never need to know what MAC address is or how it fits into the networking process. However, it is nice to know and can helpful to know how to locate it if your IT administrator ever asks for it.

If you do teach networking, this video is one to bookmark and perhaps use as a review resource or video-based lesson in a tool like Edpuzzle.

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