but its certainly possible. Although probably not at the current population levels. I don't think the world could sustain its level of population without the services computers provide.
it would be horribly inconvenient, though.
actually, things like power plants, airports, 911 services, etc. are all controlled by computers, which might be a problem...
Computer complete of workwork for us which normally consume a long time .If we did not have computers, we would need a long time to do many tasks.