I don't think those in particular look all that great, but beauty is of course in the eye of the beholder.
OmniGraffle produces very nice-looking diagrams, and has plenty of IT and computer libraries for images and patterns available. It's OS X only, though.
Originally posted by raminaa niilian: Is there such tools for windows? I find that VISIO is an option, is there some other tools too ?
Thanks
Yes, VISIO is practically the industry de facto standard for computer architecture diagrams. Or at least, it was until Microsoft acquired VISIO corporation in 2000.
PJ Murray -
And then we all jump out and yell "surprise! we got you this tiny ad!"
a bit of art, as a gift, the permaculture playing cards