threads can fulfill all of those requirements except being multiprocess.
Multi-threaded; multi-tasking; but not multiprocess. The question you've to ask yourself, is why must it be multiprocess?
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".