Google is your friend:
I'd also say "pretty much the same way". A person looks at a board, the board tells them what issues are in what status. Doesn't matter who's looking really.
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It also depends on how do the IT Guy and NON IT guy differentiate on the way they work. Does the IT guy just monitor it on a screen (like the JIRA boards) or JIRA Gadgets? Does the NON IT guy just monitors his email addresses for tickets and does not want to use the JIRA site at all (he can respond to tickets via emails too) so he/she may not need to learn how JIRA works. A few things to ask first and add context.
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