Compare Touch Screen Computers

???***Human Computer Interface????***?

Can you Compare the keyobard. Mouse and a touch screens HCIs over alternative approaches???

Im really stuck please help

10 FOR BEST ANSWER!!!!!!!!!!!!!!!!

human-computer interaction studies a human and a machine in conjunction, it draws from supporting knowledge on both the machine and the human side. On the machine side, techniques in computer graphics, operating systems, programming languages, and development environments are relevant. On the human side, communication theory, graphic and industrial design disciplines, linguistics, social sciences, cognitive psychology, and human performance are relevant. Engineering and design methods are also relevant.
HCI is also sometimes referred to as man–machine interaction (MMI) or computer–human interaction (CHI).


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