Try doing a bit of research. These should give you more than enough examples to go at and if you think about it, it s quiet obvious what the various bits of kit do for a business.http://welcome.hp.com/country/uk/en/welc��http://www.canon.co.uk/For_Work/In_the_O��http://www.staples.co.uk/technology/busi��If you want to be less hi-tech answer, no office would function without pens and paper.
Do your homework yourself.