a computer system is made up of various elements
each of these elements affects the interaction
–input devices – text entry and pointing
–output devices – screen (small&large), digital paper
–virtual reality – special interaction and display devices
–physical interaction – e.g. sound, haptic, bio-sensing
–paper – as output (print) and input
(scan)
–memory – RAM & permanent media,
capacity & access
–processing – speed of processing, networks
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