All posts tagged: teaching


Tammy Dunbar: Overcoming Digital Overload One Byte at a Time

by Tammy Dunbar Expert Educator Columnist, USA Do you know what a yottabyte is? No, it’s not a nip on the knee from a beloved Star Wars character. It’s a measurement of digital information. And one I never dreamed would ever be necessary. When we purchased our first home computer in 1987, we upgraded from 10 to 20 megabytes, because we were convinced that was all we’d ever need. But now, the Cisco Visual Networking Index (VNI) Forecast for 2014 has included the word yottabyte when discussing the amount of digital information in our connected world. Cisco reports that “IP traffic will reach an annual rate of 1.6 zettabytes by the end of 2018.” Zettabytes? Hang in there, I can explain. It takes 1,000,000 gigabytes to equal an Exabyte, 1,000 exabytes to equal a zettabyte, and 1,000 zettabytes to equal a yottabyte. A yottabyte equals about 250 trillion DVDs of “The Empire Strikes Back.” Technology is ubiquitous. You can’t walk into a grocery store or drive past another car without seeing someone looking at or …


Abderrahmen Haddad: The Event that Changed My Life Forever!

by Abderrahmen Haddad Expert Educator Columnist, Tunisia I have been teaching computer science at Ali Trad Pioneer Middle School in Tunisia for 8 years now. My story with education started at the age of 10 when I was a student in grade 3 and my mother was my teacher. I admired her a lot and discovered how dedicated she was to her job. It was really amazing to experience the way she expressed her feelings and respect towards her students. The inspiration I got from my mother motivated me to become a responsible and caring teacher. And today, I believe that teaching is the greatest profession of all times.