(Noun) The psychological result of perception through learning and reasoning as pertains to technology.
(Noun) The physical and mental ability to use and adapt to technology
(Definition 1) "I have mad techknowledge son!"
(Definition 2) "My techknowledge is off the charts!"
A knowledge of technology. (Coined by one of my students who mistook the '-nology' part of 'technology' as 'knowledgy'.)
My grandmother has great techknowledge for a woman her age.