Human interaction with the computer (choose the correct answer)

1) In an interaction user receive information that is output by responds by proving input to the computer (the use's output becomes the compater's input and vice versa) which of the following provides information about the environment?

a- Vision b-Hearing c-Touch d-All of the above

2)The Norman's seven rules to design is that interface should make clear what the system can do how this is achieved

a- True b- False

3)Wich of the following is the interaction style when the user chooses the most appropriate conimand froms se of options?

a- command languinge b- natural language c-direct manipulation d-menu selection