Get in Line to Get Online: 5 Activities to Make Learning about the Internet Fun

You are from a developed country and have been using a computer for more than 20 years probably. What a mouse does is as ingrained in you as what a spoon does, but it might not be so obvious to your students. Start super simple and break down every basic computer part for your first course hour. Even if they are IT professionals in China and know what the parts do, they might not know the English vocabulary. If you do not instill the basics, students will be confused going forward.
You have been using email and Microsoft Word for twenty years, but, in our Facebook/ Smartphone world, many of your ESL learners might have a limited knowledge of office essential software and computer applications. Try teaching basic vocabulary and making sure they can respond to simple directions to use different programs.
More and more offices are using messenger applications and abbreviated emails with the advent of Smartphones and overseas correspondence. It is critical that ESL students understand the difference between business language for messages and emails and social texting/instant messaging.
Even native speakers struggle with its nuance at times. If tasked with teaching ESL students IT, try the basic guideline of starting simple and working upward to more complicated for any level of learner, and it should become more clear!