In what conditions would it be difficult for you to use a computer?

Actually, I use my computer for about 20 hours a day for work purposes. When I am not able to use it, I feel irritated because I cannot check my emails or work updates. It is difficult to use my computer in places like rural areas or while traveling, and sometimes when the electricity or [...]

To be honest, I never had situations where using a computer was difficult for me. However, I think that maybe if I had to do really difficult work using a computer as the main device for a project, this could be really challenging for me.

Using a computer will be difficult when it comes to using Microsoft applications. I have no knowledge about Microsoft, like how to use its features. That's why I find it very difficult to use a computer in that way.