HCI 1

is a wireless, portable personal computer with a touchscreen interface.

are products controlled by electronic components and software that can be incorporated into clothing or worn on the body like accessories.

It is the most commonly used touch technology today. A resistive touchscreen is composed of a glass panel and film screen, each covered with a thin metallic layer that’s separated by a narrow spacing.

is the second most popular type of touchscreen on the market.

Projected capacitive is not similar to surface capacitive but offers two primary advantages. In addition to a bare finger, it can also be activated with surgical gloves or thin cotton gloves.

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It is the most common and used technique in touch-based user interface technology and involves selecting an item by touching it.

are bidirectional, communicative connections between two systems—typically a human user and a technical product. The side toward the machine involves machine listening, speech recognition, and dialogue systems.

is an auditory display technique for representing a sequence of data values as sound. By definition, it is described as a "direct translation of a data waveform to the audible domain.

It is the use of non-speech audio to convey information or perceptualize data. Auditory perception has advantages in temporal, spatial, amplitude, and frequency resolution that open possibilities as an alternative or complement to visualization techniques

1. It is a brief, distinctive sound that represents a specific event or conveys other information. Earcons are a common feature of computer operating systems and applications, ranging from a simple beep to indicate an error, to the customizable sound schemes of modern operating systems that indicate startup, shutdown, and other events.