In the past he's pretty much said straight out he doesn't understand it. You can take that a couple of different ways. I doubt he's a technophobe, but I would

In the past he's pretty much said straight out he doesn't understand it. You can take that a couple of different ways. I doubt he's a technophobe, but I wouldn't be surprised if he didn't really understand the difference between, say, an application and and operating system.