(a)   refers to a dialogue generated by the command and data, input to the computer and the display, output of the computer, and the sensory/perceptual input to the human and motor response output of the human.

This (a)   is made up of a set of hardware devices and software tools from the computer side and a system of sensory, motor, and cognitive processes from the human side.

The (a)   today is often one of the most critical factors regarding the success or failure of a computer system

What do you call this feature in the user interface that has the ability to achieve specific tasks efficiently?

(a)  

This is one of the key concepts of HCI that is concerned with making systems easy to learn and use?

(a)  

(a)   explains the human’s capability and model of conscious processing of high-level information.

(a)   is a model of human movement that predicts the time required to rapidly move to a target area as a function of the distance to and the size of the target.

(a)   is a type of Multimodal interaction that provides users with alternative ways to interact gives people more choices.

This is a type of tactile display parameter that has a maximum threshold which is difficult to measure, because of the force/torque, the kinesthetic senses, and depends on the physical condition of the user.

(a)  

The (a)   is perhaps the most prevalent mode for information feedback.

(a)   are composite, primitive, and intermediate visual elements that are automatically recognized before entering our consciousness.

(a)   is the resolution perceivable by the human eye from a fixed distance. This is also synonymous with the power of sight, which is different for different people and age groups.

(a)   is the number of pixels in the horizontal and vertical directions for a fixed area.

(a)   is a type of model that formulates and revises a “plan,” then decides what to do based on the various knowledge in the memory, and finally acts it out by commanding the motor system.

Give the 5 commonly encountered user interface paradigms.